2002
990123,700093
ZX25M & ZX30M
Vertical Mill & Drill
Axminster Reference No:ZX25M & ZX30M
User Manual
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www.axminster.co.uk
ZX30M
ZX25M
Index of Contents..............................................................................................................................................2
Declaration of Conformity
………….………........……..…………...................................................................2
What’s in the Box………….………........……..………….................................................................................... 3
General Instructions for 230v Machines......................................................................................... 4
Initial Assembly and Testing........................................................................................................... 5
Initial Check List............................................................................................................................6,7
Specification..
….………........……..…………...................................................................................................7
Definitions.………........……..…………...............................................................................................................8
Parts Identification and Description................................................................................................8
Machine Illustration of the Mill/Drill................................................................................................ 9
Parts Identification and Description (Continued).................................................................... 10,11
Machine Illustration of the Mill/Drill (Continued).....................................................................12,13
Parts Identification and Description (Continued)......................................................................... 14
Machine Illustration of the Mill/Drill (Continued)..........................................................................15
Parts Identification and Description (Continued)......................................................................... 16
Machine Illustration of the Mill/Drill (Continued)..........................................................................17
General Operating Instructions................................................................................................18,19
Maintenance..............................................................................................................................20,21
Mill/Drill Oiling Points............................................................................................................... 22,23
Speed Select Table........................................................................................................................23
Parts Breakdown.......................................................................................................................24-25
Parts LIst....................................................................................................................................26-27
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Index of Contents...
Page No.
Safety Protection Symbols
SAFETY!!
!
The symbols shown on the cover of this
manual advise that you wear the correct
safety protection when using this machine.
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The undersigned, D.C. Rexwinkel authorised by Shaoxing Yuejian Machinery
Manufacture Co., Ltd Jiahui Zhonglou, Shaoxing P.R. China
declares that this product:
ZX-25M & ZX-30M
(Milling/Drilling Machines)
manufactured by Shaoxing Yuejian Machinery Manufacture Co. is in compliance with the following
standards or standardisation documents in accordance with Council Directives
EN 12717:2001, EN 13128:2001, EN 60204-1:1997
98/37/EC, 73/23/EEC
Copied from
CE Certificate
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03
What’s in the Box...
Model Numbers: ZX-25M & ZX-30M
1 No. Vertical Mill/Drill
Box
1 No. Drill Chuck with Chuck Key
1 No. No. 3 MT /R8 Mounting arbor for Drill Chuck
3 No. 125mm Wheel handles
1 No. 100mm Wheel Handle
4 No. (3+1)Rod Handles (detached for packing)
1 No. Double Open Ended Spanner 17mm A/F x 19mm A/F
1 No. Allen Key 4mm
1 No. Allen Key 5mm
1 No. Allen Key 6mm
1 No. Allen Key 8mm
1 No. Break Taper Drift
1 No. Main Tool Post Cap
1 No. Drive Belt Cover Infill Cover
1 No. Draw Bar Nut Cover
2 No. Draw Bars (Stowed in Drive Belt Compartment)
1No. x M10, 1No. x 3/8" Whitworth (NOT ZX30M M10 ONLY)
1 No. Guarantee Card 1 No. Instruction Manual
WARNING. The ZX 25 Mill is a heavy piece of equipment. You are advised to
seek help or the use of some form of lifting device, (hoist, engine crane etc., ) before
you attempt to lift or move this machine.
Having unpacked your machine and its accessories, please check the contents against the
equipment list ”What’s in the box”, if there are any discrepancies, please contact Axminster
Power Tool Centre using the procedures laid down in the catalogue. Please dispose of the
packaging responsibly, much of the material is bio-degradable. The machine and its
accessories will arrive coated with heavy corrosion preventative grease. This will need to be
cleaned from the machine, its components and accessories prior to it being set up and
commissioned. Use coal oil, paraffin or a proprietary degreaser to remove the barrier grease.
Be warned, it will stain if you splash it on clothing etc., wear overalls, coverall et al., rubber
gloves are also a good idea, as is eye protection if your cleaning process tends to be a little
bit enthusiastic. After cleaning, lightly coat the exposed metal surfaces of the machine with a
thin layer of light machine oil. N.B If you used paraffin/kerosene make sure you apply this thin
film sooner rather than later.
!
!
Please read the Instruction Manual prior to using your new machine; as well
as the installation procedure, there are daily and periodic maintenance
recommendations to help you keep your machine on top line and prolong its life.
Keep this Instruction Manual readily accessible for any others who may also be
required to use the machine.
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General Instructions for 240V Machines...
The following suggestions will enable you to observe good working
practices, keep yourself and fellow workers safe and maintain your
tools and equipment in good working order.
Good Working Practices/Safety
WARNING!!
!
KEEP TOOLS AND EQUIPMENT OUT
OF THE REACH OF YOUNG CHILDREN
Mains Powered Tools
Primary Precautions
These machines are supplied with a moulded 13 Amp. Plug and 3 core power cable. Before using the
machine inspect the cable and the plug to make sure that neither are damaged. If any damage is visible
have the machine inspected/repaired by a suitably qualified person. If it is necessary to replace the
plug, it is preferable to use an ‘unbreakable’ type that will resist damage. Only use a 13 Amp plug, make
sure the cable clamp is tightened securely. Fuse at 13 Amp. If extension leads are to be used, carry out
the same safety checks on them, and ensure that they are correctly rated to safely supply the current
that is required for your machine.
Work Place/Environment
The machine is not for working outside,do not use when or where it is liable to get wet. If tool does get
wet; dry it off as soon as possible, with a cloth or paper towel. Do not use 230Va.c. powered machines
anywhere within a site area that is flooded or puddled, and do not trail extension cables across wet
areas. Keep the machines clean; it will enable you to more easily see any damage that may have
occurred. Clean the tool with a damp soapy cloth if needs be, do not use any solvents or cleaners, as
these may cause damage to any plastic parts or to the electrical components.
Keep the work area as well lit and uncluttered as is practical, this includes personnel as well as
material.
Under no circumstances should CHILDREN be allowed in work areas)
It is good practice to leave the machine unplugged until work is about to commence, also make sure to
unplug the machine when it is not in use, or unattended. Always disconnect by pulling on the plug body
and not the cable. Once you are ready to commence work, remove any tools used in the setting
operations (if any) and place safely out of the way. Re-connect the machine.
Carry out a final check e.g. check the cutting tool, drill bit etc., is securely tightened in the machine,
check you have the correct speed and function set, check that the power cable will not ‘snag’ etc.
For milling operations ensure the workpiece is secured to the machine bed, and that the machine bed is
clear of all setting tools, spanners, clamps etc., check the proposed machining path of the tool does not
lie through any clamp or hold down components.
Make sure you are comfortable before you start work, balanced, not reaching etc.,
If the work you are carrying out is liable to generate flying grit, dust or chips, wear the appropriate
safety clothing, goggles, gloves, masks etc., If the work operation appears to be excessively noisy, wear
ear-defenders. If you wear your hair in a long style, wearing a cap, safety helmet, hairnet, even a
sweatband, will minimise the possibility of your hair being caught up in the rotating parts of the
machine, likewise, consideration should be given to the removal of rings and wristwatches, if these are
liable to be a ‘snag’ hazard. Consideration should also be given to non-slip footwear, etc.
Do not work with cutting or boring tools of any description if you are tired, your attention is wandering
or you are being subjected to distraction. A deep cut, a lost fingertip or worse; is not worth it!
Do not use this machine within the designated safety areas of flammable liquid stores or in areas where
there may be volatile gases. There are very expensive, very specialised machines for working in these
areas, THIS IS NOT ONE OF THEM.
Check that cutters, drills etc., are the correct type and size, are undamaged and are kept clean and
sharp, this will maintain their operating performance and lessen the loading on the machine.
Above all, OBSERVE…. make sure you know what is happening around you, and USE
YOUR COMMON SENSE.
!
04
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Initial Assembly & Testing...
Ideally, your mill should be installed close to a correctly rated power supply, in a warm dry
environment, well ventilated and illuminated by bright clear natural light, with adequate access
all around the machine, and sufficient adjacent storage space for your tools, accessories and
material.
The ZX25M & ZX30M Mill’s are best mounted on a rigid bed, this is to ensure stability of the
machine and to attenuate any vibration that is generated when the machine is running,
(especially with eccentric tooling mounted).
The bed should be flat and set level in both planes, and at a height that enables comfortable
operation of the machine. It is not necessary to anchor the bed through to the floor, but it must
be stable enough to remain immovable during any normal forceful operations (especially
tightening) carried out whilst operating your machine.
If you are preparing your own bed for the machine, it should be at least 600mm deep by
430mm wide; (to cover the footprint of the base of the mill), you will need to drill four 12.5mm
holes to allow for bolt fixing. Set out the centres of the holes in a square matrix; 325mm x
462mm, and secure the machine with adequate length M12 bolts, nuts, and washers.
(Please read the section entitled Identification and Parts description so that you may
more easily identify the parts to which reference is made in the text).
Locate and identify the 3 No.125mm wheel handles from the packing box.
Fit these to the ends of the work table shaft, and the traverse feed shaft, engage the dogs and
tighten the holding grubscrews through to the flats machined on the shafts. Add the three larger rod handles to these wheel handles by screwing the pivot post into the handle and lock on
with the supplied nut.
Locate and identify the 100mm wheel handle, fit to the shaft of the fine feed mechanism,
engage the dogs and likewise secure with the grubscrew etc. fit the smaller rod handle to the
wheel handle.
Locate the head raise and lower mechanism. The winding handle has been fitted (loosely)
reversed. (ZX30M handle in tool box), Remove the handle, turn it to the correct orientation and
refit to the shaft, once again ensure that the securing grubscrew is driven against the flat
machined into the shaft. DO NOT attempt to raise or lower the head at this stage.
Loosen the small Bristol handle that locks the motor mounting yoke in position (to allow the
belts to be tensioned).
(ZX30M, ONLY) draw bar supplied is M10. Raise headstock to enable cover to be opened.
Undo the two clips that secure the top drive belt cover, raise the cover. Remove the two draw
bars that were packed there. (NOT ZX30M)
The intermediate jockey pulley tower is held in position by two securing bolts through the
mounting bracket of the swing arm. Loosen these bolts to allow the arm to move and fit the
belts, (refer to the chart on the side of the drive belt cover for the required speed). Physically
‘jiggle and wiggle’ and push and pull to get the motor moved and the belts tensioned, relock
the motor yoke lock. Re-tighten the securing bolts of the swing arm.
Lower the drive belt top cover and re-clip. Locate the infill cover and clip into the void in the
top cover. Locate the draw bar nut cover and clip into the top drive belt cover. Locate the
Main Tool Post Cap, place over the top of the main tool post and nip in position with the
grubscrew. You should now be ready to proceed with the initial check list.
05
When the mill is mounted to your satisfaction, proceed as follows:-
a) Locate the Head Clamp Bolt Nuts, loosen these.
b) Ensure that the bevel cup that houses the end of the head raise and lower rack is clear and
unblocked, ensure that there are no impediments to the head assembly or the tool, and swing
the head through a full 360˚. Position the head approximately over the centre line of the work
table. Raise and lower the head using the winding handle. Set the head to the required height
and reposition if necessary. Tighten the head clamp bolt nuts.
c) Check that the positive depth stop nuts are at both extremes of the gauge bar. (i.e. full
unrestricted movement).
d) Check the quill clamp is loose.
e) Check the fine feed clutch mechanism is disengaged, (the star knob is unscrewed
anticlockwise, toward the front of the mill). Check the ‘coarse’ feed mechanism of the quill using
the tri-handle, check that feed and movement is smooth, and the return spring counterbalance is
effective.
f) Engage the fine feed mechanism, (the star knob is screwed in clockwise), check the tri-handle
is virtually immoveable (against the gear mechanism of the fine feed), raise and lower the quill
using the fine feed control wheel handle. Check at the same time that the ‘thimble’ measuring
scale can be set to position and when tightened, rotates freely and remains synchronized with
the fine feed control handle (Note. The mechanism is quite ‘stiff’ when the machine is new, and
will ease, although the feed will always be harder against the counter balance spring than when
aided by the spring on the return). Disengage the fine feed mechanism.
NOTE: Measuring Scale fixed on ZX30M
g) Position the quill to an arbitrary position at about mid travel and tighten the quill clamp lever.
Check that the quill does not move. Release the quill clamp.
h) Set the positive depth stop nuts to ‘some’ position and check that they do restrict the
movement of the quill. Reset them to ‘0-0’. Scale for Depth Control on the ZX30M is
positioned on the front panel of the headstock. (See fig 3)
i) Ensure the longitudinal feed locks are undone. Using the drive handles wind the work table
side to side along the ‘X’ axis. Check you have full movement, driving the work table into the
centre stop from each side. Check at the same time that the ‘thimble’ measuring scale can be
set to position and when tightened, rotates freely and remains synchronized with the drive
handle. Position the work table approximately mid-way, tighten the table locks and check that
the table will not move when a ‘reasonable’ force is applied to the drive handles. (Note. The term
‘reasonable’ force is used to indicate a force you would normally use to proceed with this action,
the ‘stopped/braked/locked’ re-action to this force is to make you consider why the object has
not moved, and investigate. It is not to make you bunch muscles and ‘heave’). Undo the locks.
j) Ensure the traverse clamps are undone. Using the drive handle, drive the work table back and
forth along the ‘y’ axis. Check you have full and unrestricted travel. Check at the same time that
the ‘thimble’ measuring scale can be set to position and when tightened, rotates freely and
remains synchronized with the control handle. Position the work table approximately mid- way.
Tighten the traverse feed locks, and check that the traverse feed will not move when a
‘reasonable’ force is applied to the drive handle. Undo the traverse clamps.
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Initial Check List...
06
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07
Initial Check List (Continued)...
k) Swing the guard into position in front of the tool. The rising cam should have raised the
roller plunger of the interlock microswitch. If this is not the case, reposition the rising cam
so that this is so. (See fig 8)
l) Check that all loose tooling etc., has been removed from the work table. Check the tool is
firmly mounted in the quill, the chuck, et al, or remove all tooling, chuck etc. completely.
m) Raise the drive belt top cover. Plug the cable into the connecting socket and into the
mains supply. Check that there is nothing to foul the tool if the machine were to be started.
‘Unclip’ the safety cover of the switch. Press the start button, check the machine does not
start. Lower the drive belt cover and clip shut. Give the machine a ‘quick burst’ (Pressing
the start and stop buttons) Check the machine started and stopped as required, check
nothing untoward occurred, e.g. bad vibration, belt slippage, etc. If you are satisfied, start
the machine, allow it to run for a few seconds, then swing the guard out of position. Check
the machine stops. Reposition the guard and start the machine again. ‘Slap’ the switch
cover closed, (acts as an emergency stop), check the machine stops. (a moulded portion of
the switch cover depresses the stop button). If all the above checks where satisfactory, your
mill is ready for use. Enjoy.
Specification...
Axminster No. 990123 700093
ZX25M ZX30M
Rating:
Power Supply:
Motor:
Maximum Drilling Capacity:
Maximum Swing:
Maximum Distance Spindle Nose to Table:
Spindle Speeds: 12 No.
Spindle Taper:
Diameter of Spindle Sleeve:
Max Spindle Travel:
Angle of Head Swivel:
Column Diameter:
Table Size:
Longitudinal Table Travel:
Transverse Table Travel:
Weight:
Footprint L X W X H:
Trade
240v a.c. 50Hz
750W
25mm
404mm
380mm
90-2150rpm
MT-3
62mm
100mm
360˚
92mm
585 x190mm
370mm
160mm
220kg
1320 X 900 X 960mm
Trade
240v a.c. 50Hz
1.5kW
32mm
405mm
475mm
100-2080rpm
MT-3
75mm
130mm
360˚
115mm
730 x 210mm
175mm
500mm
270kg
1095 X 1010 X 1125mm
08
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Definitions...
X’ Axis. This is the axis described by the work table as it moved side to side. Normally,
movement that moves the tool to the right in the workpiece is referred to as +ve
‘X’, and movement that moves the tool to the left in the workpiece is referred to
as –ve ‘X’. Where the initial position of the tooling and the worktable is designated
0,0. (Horizontal plane only).
‘Y’ Axis. This is the axis described by the work table as it is moved from front to back.
(Traverse) Normally movement that moves the tool to the front in the workpiece is
referred to as-ve ‘Y’, and movement that moves the tool to the rear in the work
piece is referred to as+ve ‘Y’. Where the initial position of the tooling and the
worktable is designated 0,0. (Horizontal plane only).
‘Z’ Axis This is the axis described by the worktable in the vertical plane. (Not possible with
this machine). However, to establish a point in space, the co-ordinates can be
transferred to the ‘tip’ of the tooling, whereby, if we assume that the tool and the
worktable in their initial positions, where designated 0,0,0, (Horizontal and vertical
planes) any point above the tool tip is referred to as +ve ‘Z’, and any point below
the tool tip is referred to as -ve ‘Z’.
Please take some time to identify the various parts of your machine so that you are
familiar with the terminology we will use to enable you to set up and operate your Mill
safely and correctly.
Base casting This is the ‘Stand’ for the milling m/c . It has a square seating flange to the
(See Fig 1) rear, which mounts the Main Tool Post Housing. There are 4 No.12mm holes
in the approximate corners of the base to enable it to be bolted to a bench or
the stand. There is also a dovetail slide machined on the front top surface of
the base, to mount the traverse slide of the worktable. In the front face of the
base is a machined housing which mounts and anchors the drive shaft for the
traverse feed.
Main tool post This is the column of the mill, it is a 92mm (115mm ZX30M) diameter steel
(See Fig 1) tube onto which the milling head is mounted. The column is fitted with the rise
and fall rack to enable the milling head to be raised and lowered. The rise and
fall rack is held in place between a cup chamfer in the mounting housing and
a cup chamfered retaining collar and cap that slides over the top of the pillar
and is held in position by a locking screw.
Traverse slide The traverse slide mounts onto the dovetail slide of the base casting. There is
(See Fig 1) a gybe strip fitted to the right side dovetail to maintain the fit. The underside
of the slide has a threaded dog mounted in a fixed position, through which
the traverse drive shaft is threaded so as to enable the slide to be driven back
and forth. The top of the traverse slide has a female dovetail machined into it,
perpendicular to the lower dovetail. This marries with the dovetail on the
underside of the worktable. The rear face of the dovetail is fitted with a gybe
strip to maintain the fit. The top of the slide also has a fixed threaded dog
mounted to it, through which the drive shaft of the worktable is threaded to
allow the worktable to be driven from side to side. The positive stop plate for
the worktable is also bolted to the front of the traverse slide, and there is a
threaded hole at each end of the front face into which a small Bristol handled
bolt is fitted to enable the worktable to be locked in position. There are also
two locks (small Bristol handles) on the right hand side which are tightened
to lock the traverse slide into position.
Parts Identification and Description...
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Machine Illustration of the Mill/Drill...
FREEPHONE 0800 371822
Base casting
Main tool post
Traverse slide
Traverse slide
control
Worktable
drive control
Worktable
Tri-lever feed
handle
Milling head
casting
Motor
Tool post top cover
Draw bar nut cover
Fine feed
assembly
Traverse feed locks
Tool guard
Facing cutter
Fig 1
Fig 1a
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Parts Identification and Description (Continued)...
Traverse The traverse slide is driven using the 125mm wheel and rod handle at the
slide front of the machine. Behind the boss of the handle is a graduated ring
control (thimble) so that the movement of the slide can be measured. The thimble is
(See Fig 1) held to the drive shaft by friction, but can be pre-positioned and locked in
place by a ribbed thumb screw to establish a predetermined start or stop
dimension.
Worktable The Worktable is a machined casting 585mm long by 190mm wide,
(See Fig 2) (730x210mm for the ZX30M). There is a clearance ‘well’ at each end of the
table and the centre span of 450mm, (560mm for the ZX30M) has 4 No. ‘T’
slots machined along its length, to facilitate the fixing of machine vices or
clamps. The ‘T’ slots are 24mm. (See Fig 2). The worktable is mounted onto
the traverse slide. The end faces of the worktable have housings machined in
them to mount and anchor the drive shaft. The front face of the worktable has
a slot machined into it, into which the positive stops are mounted. These
stops can be moved and secured anywhere along the slot, and will strike
against the positive stop plate to limit the travel of the worktable.
Worktable The Worktable slide is driven using the 125mm wheel and rod handles at
drive control either end of the table. Behind the boss of the right hand side handle is a
(See Fig 1) graduated ring (thimble) so that the movement of the worktable can be
measured. The thimble is held to the drive shaft by friction, but can be
pre-positioned and locked in place by a ribbed thumb screw to establish a
predetermined start or stop dimension.
Adjustable
stops
Postive stop
plate
Longitudinal feed locks
Drip cover
‘T’ Slots
Fig 2
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11
Parts Identification and Description (Continued)...
Milling Head
This is the ‘milling machine’ and the descriptions of its various parts and components
are detailed as follows:-
Milling head The main casting to which all the components are attached. The head has a
casting sleeve housing machined at the rear, which allows the casting to be fitted to
(See Fig 1) the Main Tool Post. There are two M12 bolts, washers and nuts to the rear of
the sleeve housing which clamp the casting to the main tool post.
Motor Standard 240V 50Hz single phase motor rated at (750W 1 H.P. ZX25M)
(See Fig 3) (1500W 2 H.P. ZX30M)
Pulley and drive A pressed sheet steel compartment consisting of a lower tray and an upper
belt cover cover, the cover is hinged on one side and secured by two toggle clips on the
(See Fig 3) other. It covers the drive belt train for safety during normal operation. There is
a microswitch fitted between the cover and the lower tray; which will prevent
the machine running if the cover is not lowered.
Pulleys and There are three pulley towers in the millhead, the drive pulleys fixed to the
drive belts motor shaft, the driven pulleys fitted to the quill, and the intermediate ‘jockey’
(See Fig 3a) pulleys that connect the ‘train’ together with the two drive belts. A total of 12
speeds are available using the various belt positions on the pulleys. (See the
chart on the machine or later in this manual.
Head locking These are two M12 bolts, washers and nuts that clamp the sleeve housing at
bolts the rear of the head. They should be loosened to allow the head to raise
(See Fig 3b) and lower and pivot about the post. When the required position is achieved,
re-tighten them to lock the head in position. The machine should not be
operated with the head in the unlocked state.
Motor mounting The motor is mounted on a pivoted plate, which forms part of the tensioning
plate system for the drive belt train. The pivot plate is hinged on the left and the
(See Fig 3b) positioning bar (yoke) is in turn hinged off the right side of the plate and is
entered into a tunnel housing in the head casting. There is a small Bristol
handled bolt that screws into the side of the tunnel housing and will clamp
the yoke in position. It is good practise to release the tension in the drive belt
train if the machine is not going to be used for any lengthy period.
Tri-Lever feed Three levered handle that is used to drive the quill (and hence the chuck or
handle the tool) up and down. The boss of the handle is fitted to the end of a
‘splined’ gear shaft. This ‘splined’ gear is, in turn, engaged in the rack cut into
the quill body. The other end of the ‘splined’ shaft is engaged in a
contra-wound spring, this provides counter balance to the weight of the quill,
arbor, chuck and drill, giving a more controlled ‘feel’during drilling operations.
It also retracts the quill when drilling is completed.
Draw bar nut A moulded plastic cover that clips into the top of the drive belt cover, to afford
cover protection from the rotating top of the draw bar, when the quill is at the top of
(See Fig 3) its travel.
Speed Select A small chart, which shows the pulley and belt configurations required to
Table attain the various speeds available on the machine.
(See Fig 11)
12
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Machine Illustration of the Mill/Drill (Continued)...
Motor
Pulley and drive
belt cover
Toggle clip
Toggle
clip
Tri-lever feed
handle
Draw bolt nut
cover
Speed select table
Scale & depth control
ZX30M ONLY
Star knob
(find feed clutch)
Fine feed handle
Infill cover
Fig 3
90
170
200
250
280
360
600
700
950
1290
1590
2150
4-5
4-6
3-5
2-5
4-7
3-6
1-6
2-7
1-7
3-8
2-8
1-8
SPEED
BELT POSITION
SPEED
BELT POSITION
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Machine Illustration of the Mill/Drill (Continued)...
Motor mounting
plate
Head locking
bolts
Toggle
clips
Draw bar
Pulleys and
drive belts
Microswitch
Draw bars shown in
original transport
position
(remove before use)
(NOT ZX30M)
Idler pulley
bracket lock
Yoke clamp
handle
Fig 3a
Fig 3b
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Parts Identification and Description (Continued)...
Fine feed The fine feed assembly floats around the splined gear shaft that drives the
assembly quill up and down. When the action of the fine feed mechanism is required;
(See Fig 7) tightening the ‘engaging’ knob presses the tapered inside face of the boss of
the tri-lever feed handle into a tapered receiver in the fine feed assembly. This
locks them together. The internal end of the tapered receiver is part of a worm
drive which is connected to the fine feed control handle on the front of the
head. This now allows the quill to be driven down with greater precision.
When the ‘engaging’ knob is unscrewed a spring loaded plunger in the back
face of the boss breaks the taper lock, and separates the boss and the fine
feed assembly. Behind the boss of the fine feed control wheel handle is a
graduated ring (thimble) so that the movement of the quill can be measured.
The thimble is held to the drive shaft by friction, but can be pre-positioned
and locked in place by a ribbed thumb screw to establish a predetermined
start or stop dimension.
Positive This is a threaded metal rod with a flat machined along it. The lower end of
depth stop the rod is screwed into a shaped cast bracket that is fitted around the end of
(See Fig 6a) the quill sleeve; the rod is then fed through a lug cast on the lower edge of
the main casting, a nut is threaded onto the rod on either side of the lug,
which, when adjusted can provide a positive stop on both the ‘plunge’ and
return stroke of the quill, if so required. A graduated scale is fastened to the
machined flat of the rod to enable the ‘plunge’ depth to be read off. This
assembly is mounted on the front of the headstock casting in the case of
the ZX30M.
Quill return A chrome cover that covers the quill return spring
spring cover
(See Fig 6b)
Fig 6a
Fig 6
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Machine Illustration of the Mill/Drill (Continued)...
Quill return
spring cover
Quill clamp
Fine feed handle
Fine feed thimble
Fig 7
Fig 6b
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Parts Identification and Description (Continued)...
On/Off switch (See Fig 9a/b)
A NVR switch panel mounted on the left front
of the machine. Green ‘I’ will start the
machine; red ‘O’ to stop. Should power be
interrupted whilst the machine is in use, the
NVR will ensure the machine has not remained
in the switched on condition when power is
restored. The top cover of the switch
provides a security lock, in that when it is
closed a small padlock can be snapped into
place to prevent the machine being run. It also
acts as a quick action ‘emergency off’ switch,
in that an interior moulding inside the cover
depresses the Off switch when it is closed.
Being hinged on one side the cover can be
‘slapped’ shut to switch the machine off
quickly.
Tool Guard (See Fig 9)
A clear moulded plastic shield mounted on a
swing arm. The pivot of the swing arm is a
metal rod that is fitted through a lug located at
the left rear of the milling head. On the top of
the rod is a riser cam, that activates an
interlock microswitch, so that the machine will
not run unless the guard is in place. The
position of the guard and the riser cam can be
altered to allow the guard to be postioned
around the tool anywhere within the work
envelope of the machine.
Quill clamp (See Fig 9)
A bent chrome rod lever, inserted into a
threaded hole that is machined in the side of
the main bore housing the spindle sleeve.
Screwing the lever in will drive the end of the
rod forward against a contact pad which will
clamp the quill thus locking it in position.
Rise and fall mechanism (See Fig 8)
The rise and fall mechanism is a rack and
pinion device, which drives the head up and
down the main tool post. The rack is mounted
on the main tool post, housed in two bevelled
cup keepers (one at the top, one at the
bottom) which allows the rack to pivot around
the tool post with the milling head. The pinion
gear is housed to the left rear of the head
casting. The pinion gear is driven by a short
shaft onto which the bent crank handle
is fitted. NOTE. The rise and fall
mechanism should not be operated
unless the head clamping bolts and
nuts have been loosened off.
Rise & fall
handle
Bevel housing
Rise & fall
rack
Fig 8
Emergency stop
NVR
On/Off switches
Rise & fall
handle
Tool guard
Quill clamp
Traverse slide
control
Tri-lever feed
handle
Star knob
(fine feed clutch)
Fine feed handle
Typ. 2 worktable
drive control
Tool guard microswitch
Worktable thimble
Roller plunger
Cam
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Machine Illustration of the Mill/Drill (Continued)...
Fig 9c
Fig 9bFig 9c
Fig 9c
Warning Do Not operate the mill in any function unless the head clamping bolts
are tightened.
Draw bar secured tooling
Make sure the power is switched off or better still removed from the machine. Unclip the drive
belt cover and raise clear (See Fig 3). Hold the quill locked, either by holding the pulley tower
(use the heel of the break taper drift in the quill against the spindle sleeve?). Using the supplied
spanner loosen the draw bar nut, unscrew the draw bar several turns, and then strike the draw
bar nut to break the taper lock of the tool and the spindle. Unscrew the draw bar from the tool.
Ensure the tool is supported, i.e. will not fall on to the workpiece/table et al. When it is free put
the tool carefully aside, withdraw the draw bar, check the thread, check the taper and the thread
of the new tool are clean and undamaged, check the draw bar is the correct one, introduce the
new tool into the taper, re-insert the draw bar and screw into the top of the tool. Screw in the
draw bar finger tight. Hold the quill immoveable and tighten with the spanner. DO NOT
OVERTIGHTEN. Remove all tooling, re-secure the drive belt cover, re-connect the machine.
Ensure the tool path is clear, switch on, and check that the tool correctly seated, is running true
etc. If all is O.K,proceed.
Fitting the Drill Chuck
Remove the draw bar secured tooling. Put carefully aside. Assemble the drill arbor and the drill
chuck together. Check the tapers, both on the drill arbor and in the spindle are clean. Align the
tang with the release slot and push the assembly smartly into the spindle. Check the tapers have
locked. Proceed, using the mill as a drill press. To release the drill chuck assembly after use,
introduce the taper break drift into the slot in the sleeve, tap forward until the tapers break lock.
Ensure the drill chuck is supported before breaking the lock.
Milling (all cases) Ensure the workpiece is securely clamped to the table.
Along the longitudinal Axis (X) Ensure that the quill is locked in position before milling is
commenced. Ensure the traverse slide locks are
tightened.
Along the Traverse Axis (Y) Ensure that the quill is locked in position before milling is
commenced. Ensure the worktable locks are tightened.
Milling or Drilling Vertically (Z) Ensure the traverse slide and the worktable locks are
tightened.
Changing Speed
Switch the machine off. Switch off the supply, and/or disconnect the machine from the supply.
Unclip the two toggle clips then take out the infill cover (a) and lift the lid of the drive belt cover
(b) see Fig 10. Loosen the motor yoke clamp handle, push the motor forward to release the
tension on the belts. Move the belts clear of the pulley towers, now is a good time to check the
drive belt for wear and give the drive belt and pulley enclosure a good clean. (If it needs it? There
are sometimes rubbings from the belts and general dust and debris.) Refer to the Speed Select
Table and ascertain the belt positions for the speed you require (See Fig 11). Move the belts to
these positions, commence the tensioning operation by pushing the jockey pulleys to tension
the driven to jockey belt (Have a care not to trap fingers, the pulleys are free to move). Tension
the whole belt train by pushing/levering the right side of the motor away from the main
casting.
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General Operating Instructions...
!
Tool Changing
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General Operating Instructions (Continued)...
FREEPHONE 0800 371822
Changing Speed (Continued)
Keeping the belt train under tension; tighten the motor yoke clamping handle. Lower the
belt and pulley cover carefully, (remember the microswitch) refasten the toggle clips.
Re-connect the supply and switch on. Check the mill runs smoothly, no hard vibration, no
squeaks or squeals of loose belts etc., etc., If all seems satisfactory, recommence milling
operations.
Settings and adjustments
Your ZX25M/ZX30M Mill has been factory set and adjusted, however, during its life time you
may find occasion whereby the mill needs adjusting to maintain its accuracy and optimum
performance. These adjustments can be made as follows:-
Worktable and Traverse feed adjustment.
The worktable and the traverse feed are both mounted over dovetail sections. In order to
maintain the ‘tightness’ of the fit; between the sloping surface of the component and its mating surface a gybe strip has been inserted. (At the rear of the worktable, and to the right
hand side of the traverse feed)
To adjust the gybe strips, use a large flat bladed screwdriver and screw the gybe strip bolts
clockwise to compensate for any slackness or anti-clockwise to loosen the movement.
Check, using the feed handles, that worktable and the traverse feed moves smoothly, If not,
repeat the adjustments until the movement is smooth and tight over the whole of the travel.
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Maintenance...
Your Mill is a precision tool. In order to maintain this precision and prolong
its useful life, it is advised that you follow the recommended daily and periodic
maintenance tables printed below.
Daily
Carry out a visual inspection. Repair any damage immediately. Minor damage to the beds
should be taken out with an oilstone.
Move the worktable and the traverse feed back and forth by hand, check that the movement
is smooth.
Spread a light film of oil over the worktable and the traverse slide bed.
Oil the end bearings of the drive shafts. Squirt oil onto the slide faces of mating components.
Exercise the components to ensure the oil is spread over both visible and obscure surfaces.
Daily after-use
1. Clean all swarf and chips away from the machine bed, slide surfaces, and the tool post.
2. Exercise the slides and ensure no swarf etc., is lodged in the drive shaft tunnels.
If you have been using a coolant make sure the machine is thoroughly dried off.
3. Check the tool, ensure it is usable the next time, if not re-sharpen or replace the tool tip.
4. Lightly oil spray all the machine beds and surfaces.
5. Clean and lightly oil any tools you may have been using (drill chucks, spanners,
chuck keys etc), and put them away.
6. Switch off the power supply. Disconnect the plug.
7. Cover the machine over with a dust cloth.
Weekly
1. Move the traverse slide fully back to give access to the tunnel, blow out to make sure all
swarf is cleared away and heavily spray oil the tunnel, exercise the slide to work the oil into
the drive thread and to lubricate the dog.
2. Spray oil the slide and the worktable bed, exercise the worktable to spread the oil
to all surfaces, both hidden and visible.
3. Spray oil under the bed onto the drive screw, exercise to ensure the oil is coating all
components.
4. Check the movement of the worktable and the traverse slide, check it is smooth and ‘tight’,
if necessary reset the gybe strips, until the movements are smooth and tight.
5. Wipe the quill outer sleeve clean and lightly oil, exercise the quill to spread the oil in the
sleeve bushes.
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Maintenance (Continued)...
Monthly
a) Check the belt tensions. If necessary reset the belt tensions by loosening the two swing arm
clamping bolts, retension the belts and re-secure the bolts.
b) Give the motor a good ‘blow through’ to remove any dust, dirt etc,
c) Check all the interlocks function correctly.
d) Check the greasing of the quill in the sleeve.
6 Monthly
When checking the belt tensions, slip off the belts and check and if necessary lubricate the
jockey pulley tower bearings.
Accessories
There are numerous accessories listed for the machine listed in the Axminster catalogue
in section 1.
Oil
OIL
Mill/Drill Oiling Points...
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Mill/Drill Oiling Points (Continued)...
www.axminster.co.uk
Oil
OIL
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Speed Select Table...
Fig 10
Fig 11
ZX25M
ZX30M
90
170
200
250
280
360
600
700
950
1290
1590
2150
4-5
4-6
3-5
2-5
4-7
3-6
1-6
2-7
1-7
3-8
2-8
1-8
SPEED
BELT POSITION
SPEED
BELT POSITION
50~
60~
50~
60~
100
120
4-5 640
820 1-6
160
200 3-5 865 1090 2-7
190
250
4-6 1010
1245 3-8
235
295
2-5 1205
1520 1-7
305
400
3-6 1500
1820 2-8
365
465
4-7 2500
2500 1-8
12SPEEDS
12SPEEDS
BELT
BELT
5
6
7
8
1
2
3
4
SPINDLE MOTOR12 SPEEDS
5
6
7
8
1
2
3
4
SPINDLE MOTOR12 SPEEDS
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Parts Breakdown...
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Parts Breakdown...
FREEPHONE 0800 371822
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www.axminster.co.uk
Parts LIst...
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Parts List...
FREEPHONE 0800 371822
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2002
990123,700093
www.axminster.co.uk
Axminster Devon EX13 5PH UK
FREEPHONE 0800 371822
Axminster Reference No:ZX25M & ZX30M
ZX25M & ZX30M Vertical Mill & Drill
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