Dremel VRT1 User Manual

IMPORTANT: Read Before Using IMPORTANT : Lire avant usage IMPORTANTE: Leer antes de usar

Operating/Safety Instructions Consignes de sécurité/d’utilisation

VRT1

Instrucciones de funcionamiento y seguridad

P.O. Box 081126 Racine, WI 53408-1126

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General Power Tool Safety Warnings

WARNING

Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.

Read all safety warnings and all instructions that were provided with your wet/dry vacuum.

SAVE ALL WARNINGS AND INSTRUCTIONS FOR FUTURE REFERENCE

The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

Work area safety

Keep work area clean and well lit. Cluttered or

dark areas invite accidents.

Do not o per ate power to ols in explos ive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools

creat e sparks w hich may i gnite t he dust or fumes.

Keep children and bystanders away while operating a power tool. Distractions can cause

you to lose control.

Personal safety

Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medic ation. A m oment o f inattent ion while

operating powe r tools may res ult in seriou s personal injury.

Use personal protective equipment. Always wear eye pr otection. Protective equipment

such as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries.

Prevent unintentional starting. Ensure the sw i t c h is in the of f - position before connecting to power source and / or battery pack, picking up or carrying the tool. Carrying

power tools with your finger on the switch or energizing power tools that have the switch on invites accidents.

Remove any adjusting key or wrench before turning the power tool on. A wrench or a key

left attached to a rotating part of the power tool may result in personal injury.

Do not overreach. Keep proper footing and balance at all times. This enables better control

of the power tool in unexpected situations.

Dress properly. Do not wear loose clothing or jewelry. Keep your hair, clothing and gloves aw a y from m o v ing pa r t s . Loo s e clo t h e s ,

jewelry or long hair can be caught in moving parts.

If devices are provided for the connection of du st e xtra c tion an d co llect ion fac ilit ies, ensure these are connected and properly used. Use of dust collection can reduce dust-

related hazards.

Power tool use and care

Do not force the power tool. Use the correct power tool for your application. The correct

power tool will do the job better and safer at the rate for which it was designed.

Do not use the power tool if the switch does not turn it on and off. Any power tool that

ca n n o t be contro l l e d wi t h the switch is dangerous and must be repaired.

Disconnect the plug from the power source and/or the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools. Such

preventive safety measures reduce the risk of starting the power tool accidentally.

Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to op e r a t e the power to o l . Power tools ar e

dangerous in the hands of untrained users.

Ma i n t a in po w e r tools . Check fo r misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool’s operation. If da m a g e d, hav e the power tool r e p a ired befo re us e. Many acciden ts are caused by

poorly maintained power tools.

Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.

Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the

power tool for operations different from those intended could result in a hazardous situation.

Service

Have your power tool serviced by a qualified re p a i r pe r s o n us i n g onl y ident i c a l replacement parts. This will ensure that the

safety of the power tool is maintained.

Safety Rules for Rotary Tools

Safety warnings common for sanding,

polishing, or carving operations:

This power tool is intended to function as a sander, polisher, or carving tool. Read all safety warnings, instructions, illustrations and specifications provided with this power tool.

Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury.

Operations such as grinding, wire brushing, or cutting-off a re not r eco mme nde d to be performed with this power tool. Operations for

which the power tool was not designed may create a hazard and cause personal injury.

Use this tool only on wet/dry vacuums. Using tool on other types of vacuums may c ause property damage and personal injury.

Do not use on material that generate sparks.

Spark may cause fire or explosion in the vacuum.

Do not u se a cce ssor ies whi ch are not specifically designed and recommended by the tool manu fact urer. Jus t be caus e th e

accessory can be attached to your power tool, it does not assure safe operation.

The rated speed of the accessory must be at least equal to the maximum operating speed marked on the power tool. Accessories running

faster than their RATED SPEED can break and fly apart.

The outside diameter and the thickness of your accessory must be within the capacity rating of your power tool. Incorrectly sized

accessories cannot be adequately guarded or controlled.

The arbor size of wheels, sanding drums or any other accessory must properly fit the spindle or collet of the power tool. Accessories

that do not match the mounting hardware of the po wer tool will run ou t of balan ce, vibr ate excessively and may cause loss of control.

Mandrel mounted wheels, sanding drums, cutters or other accessories must be fully inserted into the collet or chuck. If the mandrel

is insufficiently held and/or the overhang of the wheel is too long, the mounted wheel may become loose and be ejected at high velocity.

Do not use a damaged accessory. Before each use inspect the accessory such as abrasive wheels for chips and cracks, sanding drum for cracks, tear or excess wear, wire brush for loose or cra cke d wires. If pow er tool or accessory is dropped, inspect for damage or

install an undama ged ac ces sor y. Af ter inspecting and insta lli ng an accessory, position yourself and bystanders away from the plane of the rotating accessory and run the power tool at maximum no-load speed for one minute. Damaged accessories will normally break

apart during this test time.

Wear perso nal prote cti ve equ ipm ent . Depending on application, use face shield, safety goggles or safety glasses. As appropriate, wear dus t mask, he ari ng protectors, gloves and wo rks hop apr on capable of stopping s mal l abrasive or workpiece fragments. The eye protection must be capable of stopping flying debris generated by various opera tio ns. The dus t mask or

respirator must be capable of filtrating particles generated by your operation. Prolonged exposure to high intensity noise may cause hearing loss.

Keep bystanders a safe distance away from work area. Anyone entering the work area must wear personal protective equipment. Fragments

of workpiece or of a broken accessory may fly away and cause injury beyond immediate area of operation.

Hold power tool by insulated gripping surfaces only, when performing an operation where the cutting accessory may contact hidden wiring.

Cutting accessory contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock.

Always hold the tool firmly in your hand(s) during the start-up. The reaction torque of the

motor, as it accelerates to full speed, can cause the tool to twist.

Use clamps to support workpiece whenever practical. Never hold a small workpiece in one hand and the tool in the other hand while in use. Clamping a small workpiece allows you to

use yo ur ha nd(s) to control the tool. Round material such as dowel rods, pipes or tubing have a tendency to roll while being cut, and may cause the bit to bind or jump toward you.

Position the cord clear of the spi nni ng accessory. If you lose control, the cord may be cut

or snagged and your hand or arm may be pulled into the spinning accessory.

Never lay the power tool do wn until the accessory has come to a complete stop. The

spinning accessory may grab the surface and pull the power tool out of your control.

After changing the bits or making any adjustments, make sure the collet nut, chuck or any other adjustment devices are securely tightened. Loose a dju stm ent devi ces can

unexpectedly shift, causing loss of control, loose rotating components will be violently thrown.

Do not run the power tool while carrying it at your side. Accidental contact with the spinning

accessory could snag your clothing, pulling the accessory into your body.

Make sure vacuum hose is free of snags and obstructions. Do not attach a vacuum hose to

your body. Entangled or snarled hoses can cause a loss of balance or footing in addi tion to unintentional tool operation.

Regularly clean the power tool’s air vents. The motor’s fan will draw the dust inside the housing and excessive accumulation of powdered metal may cause electrical hazards.

Do not operate the power tool near flammable materials. Sparks could ignite these materials.

Do not use accessories that require liquid coolants. Using water or other liquid coolants

may result in electrocution or shock.

Always disconnect the vacuum hose before making any adjustments or attaching any accessories. You may unexpectedly cause the

tool to start leading to serious personal injury.

Avoid unintentional operation. While connecting air supply do not hold On/Off Ring. Do not carry the tool by On/Off Ring or connect the tool to the wet/dry vacuum with the switch “on.”

Disconnect tool from vacuum hose when not in use. Leaving the tool unattended with the

vacuum hose connected can result in unintentional operation of the tool by users unfamiliar with tool.

Do not use tool with wire and bristle brushes.

Br ist les or wi res wi ll be d isc harg ed at h igh velocity and may cause personal injury.

If cutting into existing walls or other blind areas where electrical wiring may exist is unavoidable, disconnect all fuses or circuit breakers feeding this worksite.

Be aware of the switch location, when placing the tool down or when picking the tool up. You

may accidentally activate the switch.

Do not reach in the area of the spinning bit.

The proximity of the spinning bit to your hand may not always be obvious.

Never use dull or damaged bits. Sharp bits must be handled with care. Damaged bits can

snap during use. Dull bits require more force to push the tool, possibly causing the bit to break.

Inspect your workpiece before cutting. When cutting irregularly shaped workpieces, plan your work so it will not slip and pinch the bit and be torn from your hand. For example, if

carving wood, make sure there are no nails or foreign objects in the workpiece. Nails or foreign objects can cause the bit to jump.

Never start the tool when the bit is engaged in the material. The bit cutting edge may grab the

material causing loss of control of the cutter.

The direction of feed with the bit into the material when carving, routing or cutting is very important. Always feed the bit into the material in the same direction as the cutting edge is exiting from the material (which is the

same directi on as the chi ps ar e thrown).

Feeding the tool in the wrong direction, causes the cutting edge of the bit to climb out of the work and pull the tool in the direction of this feed.

If the workpiece or bit becomes jammed or bogged down, turn the tool “OFF” by the switch. Wait for all moving parts to stop and unplug the tool, then work to free the jammed material. If the switch to the tool is left “ON” the

tool could restart unexpectedly causing serious personal injury.

Do not leave a running tool unattended, turn power off. Only when tool comes to a complete

stop is it safe to put it down.

Do not touch the bit or collet after use. After use the bit and collet are too hot to be touched by bare hands.

Do not allow familiarity gained from frequent us e of you r rotar y tool t o becom e commonplace. Always remember that a careless

fraction of a second is sufficient to inflict severe injury.

Do not alter or misuse tool. Any alteration or modification is a misuse and may result in serious personal injury.

This product is not intended for use as a dental drill, in human or veterinary medical applications. Serious personal injury may result.

When using the steel saws, cut off wheels, high speed cutters or tungsten carbide cutters, always have the work secure ly clamped. Never attempt to hold the work with one hand while using any of these accessories. The reason is

that these wheels will grab if they become slight ly canted in the groove, and can kick back causing loss of control resulting in serious in jury. Your second hand should be used to steady and guide the hand holding the tool. When a cutoff wheel grabs, the wheel itself usually breaks. When the steel saw, high speed cutters or tungsten carbide cutter grab, it may jump from the groove and you could lose control of the tool.

Us e only Dr eme l

, h igh -per form ance

accessories. Other accessories are not designed

for this tool and may lead to personal injury or property damage.

Kickback and Related Warnings

Use special care when working corners, sharp edges etc. Avoid bouncing and snagging the accessory. Corners, sharp edges or bouncing

have a tendency to snag the rotating accessory and cause loss of control or kickback.

Additional Safety Warnings

Keep handles dry, clean and free from oil and grease. Slippery hands cannot safely control the

power tool.

Develop a periodic maintenance schedule for your tool. When cleaning a tool be careful not to disassemble any portion of the tool since internal wires may be misplaced or pinched or safety guard return springs may be improperly mounted. Certa in cleaning agent s such as

gasoline, carbon tetrachloride, ammonia, etc. may damage plastic parts.

Empty your vacuum’s dust canister before use and before storing. Be extremely careful of

dust disposal, materials in fine particle form may be explosive. Do not throw dust on an open fire. Combustion from mixture of varnishes, lacquers, polyurethane, oil or water with dust particles can oc c u r if th e r e is a static di s c h a rge, spa r k introduced in the box, or excessive heat.

WARNING

drilling, and other cons tructio n activities contains chemicals known to cause cancer, birth defects or other reproductive h arm. Some examples of these chemicals are:

• Lead from lead-based paints,

• Crystalline silica from bricks and cement and other masonry products, and

• Arsen i c and chro mium f rom c hemic allytreated lumber.

Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in a well ventilated area, and work with approved safety equipment, such as those dust masks that are sp ecia lly de sign ed t o f ilte r o ut micr osco pic particles.

Some dust created by power sa nding , saw i ng, grin d ing,

Symbols

IMPORTANT: Some of the following symbols

may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer.

.../min

No load speed

Rotational speed, at no load

Rated speed

Maximum attainable speed

Revolutions per minute

Revolutions, strokes, surface speed, orbits etc. per minute

Warning symbol Alerts user to warning messages

Read manual symbol Alerts user to read manual

Wear eye protection symbol Alerts user to wear eye protection

Functional Description and Specifications

WARNING

FIG. 1

Collet

Disconnect from vacuum hose before making any assembly, adjustments or changing accessories. Such preventive safety measures reduce the risk of starting the tool accidentally.

SAVE THESE INSTRUCTIONS

Vacuum Powered Rotary Tool

Collet Nut

Collet Lock

On/Off Ring

Vacuum Hose

Port (1-1/4”)

Model Number VRT1

No Load Speed n Collect Capacity 1/8"

35,000/min

Cutting

Guide

Collet

Wrench

Assembly

WARNING

as s e m b ly, a d j ustments or chan g i n g accessories. Such preventive safety measures

reduce the risk of starting the tool accidentally.

WARNING

the chuck and any other adjustment devices are secu rely tightened. Loose adju stment

device can unexpectedly shift, causing loss of co n t rol, l o ose r o t ating comp o n ents w i ll be violently thrown.

Your R o tary Too l is comp a tible with 1-1 / 4” diameter vacuum hoses. If your wet/dry vacuum has a larger hose it may be possible to buy an adapter to achieve 1-1/4” connection diameter. Co n t a c t the man u f a c turer of yo u r wet/dry vacuum.

WARNING

types of vacuums may cause property damage and personal injury.

To install Vacuum Hose (Fig. 2):

1. Grip the body of tool and exterior of vacuum hose.

Di s c o n nect fr o m vacuum ho s e before ma k i n g any

After changing bits or making any adjustments, make sure

Installing and Removing

Vacuum Hose

Use this tool only on wet/dry vacuums. Using tool on other

2. Firmly press end of vacuum hose into hose port of tool until it fits snugly.

3. It may be necessary to twist the vacuum hose in port for the best fit.

4. To remove vacuum hose grip tool body and hose exterior and firmly pull to separate.

FIG. 2

Installing and Removing Cutting Guide

To install cutting guide (Fig. 3):

1. Grip body of tool and rim of cutting guide.

2. Align threads of cutting guide with threads on the interior of tool’s housing.

3. Rotate cut ting gui de cl ockwise unti l it fits snugly against nose of tool.

4. To rem o v e cutt i n g guide gri p and rot a t e counterclockwise.

FIG. 3

Installing and Removing Accessories

To Change Accessories (Fig. 4):

1. Remove cutting guide if it has been installed.

2. Loosen the collet nut by pressing shaft lock button and rotating the shaft by hand until the lock engages and holds the shaft.

CAUTION

3. With the shaft lock engaged use the collet wrench to loosen the collet nut. The collet nut must be loosely threaded on when inserting an accessory.

4. Remove old accessory and inserting the new on e into the collet as f a r as p o s s ible to minimize runout and unbalance.

5. With the shaft lock engaged, use the collet wr ench to tig hten the co l let nut unt i l th e

Do not eng a g e lo c k wh i l e th e Rotary Tool is running.

acce sso ry shank is g ripped by t he collet. Avoid excessive tightening of the collet nut when there is no bit inserted.

FIG. 4

Collet

Wrench

Shaft Lock

Button

TIGHTEN

Collet Nut

LOOSEN

Installing and Removing Collets

CAUTION

Al ways use th e co llet whi ch

matches the shank size of the accessory you plan to use. Never force a larger diameter shank into a collet. Undersize

sh a n k s will dam a g e the coll e t s a nd the accessories will not run true.

Note: Your Rotary Tool kit includes only the 1/8” collet.

Four different size collets (see illustration), to ac c o m m odate diff e r ent shank s i z e s , are available for your Rotary Tool.

To install a different collet (Fig. 5):

1. Remove the collet nut.

2. Remove the existing collet.

3. Insert the unslotted end of the new collet in the hole in the end of the tool shaft.

4. Replace collet nut on the shaft.

FIG. 5

480

Collet

1/8"

Collet

Identification Rings

483 1/32" Collet

Collet

Nut

481 3/32"

482 1/16"

COLLET IDENTIFICATION CHART

Collet sizes can be identified by the rings on the back end of collet.

1/32" Collet has one (1) ring. 1/16" Collet has two (2) rings. 3/32" Collet has three (3) rings.

1/8" Collet has no rings. (Included in

most tool kits on the tool)

Balancing Accessories

Fo r prec i s i o n work , it i s import a n t that a l l accessories be in good balance (much the same as the tires on your automobile). To true up or balance an accessory, slightly loosen collet nut and give the accessory or collet a 1/4 turn. Re tighten collet nut and run the Rotary Tool. You should be able to tell by the sound and feel if your accessory is running in balance. Continue adjusting in this fashion until best balance is achieved.

Operating Instructions

WARNING

as s e m b ly, a d j ustments or chan g i n g accessories. Such preventive safety measures

reduce the risk of starting the tool accidentally.

WARNING

before storing. Be extremely careful of dust disposal, materials in fine particle form may be explosive. Do n ot throw sanding dust on an open fire. Combustion from mixture of varnishes, lacquers, polyurethane, oil or water with dust particles can occur if there is a static discharge, spark introduced in the box, or excessive heat.

The Rotary Tool has a small, powerful motor, is comfort able in the hand, and is made to accept a large variety of accessories. Accessories come in a variety of shapes and permit you to do a number of different jobs. As you be come familiar with the range of accessories and their uses, you will learn just how versatile the Rotary Tool is. You’ll see dozens of uses you hadn’t thought of before.

The real secret of the Rotary Tool is its speed. To understand the advantages of its high speed, you have to know that the standard portable electric drill runs at speeds up to 2,800 revolutions per minute. The Rotary Tool operates at speeds up to

Di s c o n nect fr o m vacuum ho s e before ma k i n g any

Em pty you r va cuum ’s dus t ca n i s t er b e f o re u s e an d

Rotary Tool Introduction

30,000 revolutions per minute. The typical electric drill is a low-speed, high torque tool; the Rotary Tool is just the opposite – a high-speed, low torque tool. The major difference to the user is that in the high speed tools, the speed combined with the acces sory mounted in the collet does the work. You don’t apply pressure to the tool, but simply hold and guide it. In the low speed tools, you not only guide the tool, but also apply pressure to it, as you do, for example, when drilling a hole.

It is this high speed, along with its compact size and wide variety of spe cial accessories and attachments, that makes the Rotary Tool differ ent from other tools. The speed enables it to do jobs low speed tools cannot do, such as en graving glass, etc.

Getting the most out of your Rotary Tool is a matter of learning how to let this speed work for you. To learn about more uses and the versatility of Dremel accessories and attachments refer to this Owner's Manual or check our website at www.Dremel.com.

Using the Rotary Tool

The first step in learning to use the Rotary Tool is to get the “feel” of it. Hold it in your hand and feel its weight and balance. Feel the taper of the housing. This taper permits the Rotary Tool to be grasped much like a pen or pencil (Figure A).

Always hold th e tool aw ay from you r face. Accessories can be damaged during handling, and can fly apart as they come up to speed. This is not

FIG. A

For best control in close work, grip the Rotary Tool like a pencil between your thumb and forefinger.

FIG. B

The “Golf Grip” method of holding the tool is used for more aggressive operations such as grinding a flat surface or using cutoff wheels.

common, but it does happen.

Practice on scrap materials first to see how the Rotary Tool's high speed action performs. Keep in mind that the work is done by the speed of the tool and by the accessory in the collet. You should not lean on or push the tool during use.

Instead, lower the spinning accessory lightly to the work and allow it to touch the point at which you want cutting (or sanding or etching, etc.) to begin. Con centrate on guiding the tool over the work using very little pressure from your hand. Allow the accessory to do the work.

Usually, it is best to make a series of passes with the tool rather than attempt to do all the work in one pass. To make a cut, for example, pass the tool back and forth over the work, much as you would a small paint brush. Cut a little material on each pass until you reach the desired depth. For most work, the gentle touch is best. With it, you have the best control, are less likely to make errors, and will get the most effi cient work out of the accessory.

Operation

WARNING

cause fire or explosion in the vacuum.

WARNING

“O” position before plugging tool to vacuum hose. Accidental start-ups could cause injury.

To turn tool on:

1. With wet/dry vacuum ON.

2. Grip body of tool and ON/OFF Ring.

3. Rotate ON/OFF Ring counterclockwise (Fig. 6).

4. Variable speed can be achieved by partially opening ON/OFF Ring.

To turn tool off:

1. Rotate ON/OFF Ring clockwise (Fig. 7).

2. Turn wet/dry vacuum OFF.

Do not use on materi al that genera te sparks. Spark may

Turning the tool On and Off

Always check to make sure the tool ON/OFF switch is at the

FIG. 6

“ON”

FIG. 7

“OFF”

Operating Speeds

Needs for Slower Speeds

Certain materials, however, (some plastics and precious metals, for ex ample) require a relatively slow speed because at high speed the friction of the accessory generates heat and may cause damage to the material.

Sl ow s peed s usual l y a r e b est for polis hing operations employing the felt polishing ac ces sories. They may also be best for working on deli cate projects as “eggery” work, delicate wood carving and fragile model parts.

Higher speeds are better for carving, cutting, routing, or shaping in wood.

Ha r d w o ods and glass requ i r e hi g h speed operation, and drilling should also be done at high speeds.

The point to remember is this: Many applications and accessories in our line will provide the best pe r f o r mance at fu l l speed, bu t for certa i n materials, applications, and accessories, you need slower speeds, which is the reason our variable speed models are available.

Ultimately, the best way to determine the correct speed for work on any material is to practice for a few minutes on a piece of scrap, even after referring to the chart. You can quickly learn that a slower or faster speed is more effective just by

observing what hap pens as you make a pass or two at different speeds. When working wi th plastic, for example, start at a slow rate of speed and increase the speed until you observe that the plastic is melting at the point of contact. Th e n redu c e the speed s l i g h t ly t o get t h e optimum working speed.

Some rules of thumb in regard to speed:

1. Plastic and other materials that melt at low

temperatures should be cut at low speeds.

2. Polishing and buffing must be done at low

speeds.

3. Wood should be cut at high speed.

Increasing the pressure on the tool is not the answer when it is not performing as you think it should. Perhaps you should be using a different accessory, and perhaps an adjustment in speed would solve the problem. Leaning on the tool does not help.

Let speed do the work!

Maintenance

Service

WARNING

so n nel may result in misplacing of internal

Preventive maintenance pe r formed by unauthorized per -

wires and components which could cause serious hazard. We recommend that all tool

se rvic e be per forme d by a Dre mel Ser vice Facility.

BEARINGS

Model VRT1has ball bearing construction. Under normal use no additional lubrication is required.

Cleaning

WARNING

vacuum hose before cleaning or performing any maintenance. The tool may be cleaned

mo s t ef fectivel y wi t h co m presse d dr y ai r.

Always wear safety goggles when cleaning tools with compressed air.

Ventilation openings and switch levers must be kept clean and free of foreign matter. Do not attempt to clean by inserting pointed objects through opening.

CAUTION

So m e o f t h e s e a r e: g asoline, car b on tetrachlo ride, chlo rinated clea ning sol vents , ammonia and household detergents that contain ammonia.

To avo i d acci d e nts a l w a ys di s c o n nect t h e tool f rom

Ce rta in c lean ing age nts and solvents damage plastic parts.

Dremel Accessories

WARNING

are 2” or less in daimeter and rated at least 35,000/min. Other accessories are not designed

for this tool and may lead to personal injury or property damage.

The number and variety of accessories for the Rotary Tool are alm ost limi tless. T here is a category suited to almost any job you might have to do — and a variety of sizes and shapes within each category which en ables you to get the perfect accessory for every need.

If you expect to use a variety of accessories, we recommend that in the beginning you purchase a complete set of four collets. Store these so that you will have the proper size of collet for any accessory or drill bit you want to use. Currently,

the 1 /8", 3/3 2",1/32 " an d 1/ 16" col lets acco mmo date all of the avai l able D remel accessories. 1/8" collets are included in most rotary tool kits.

A mandrel is a shank with a threaded or screw head, which are required when you use polishing

Us e on ly Dr emel®, high performance accessories that

COLLETS

MANDRELS

accessories, cutting wheels, sanding discs, and pol ish ing points. The reason mandrels are used is that sanding discs, cutting wheels and similar accesso ries must be replaced frequently. The mandrel is a per manent shank, allowing you to replace only the worn head when necessary, thus saving the expense of replacing the shaft each time.

Screw Mandrel No 401

Th is is a scr ew ma ndre l use d wi th th e fel t polishing tip and felt polishing wheels. 1/8" shank.

Small Screw Mandrel No 402

This is a mandrel with a small screw at its tip, and is used with emery and fiberglass cutting wheels, sanding discs and polishing wheels. 1/8" shank.

EZ Lock Mandrel No 402

The Dremel EZ Lock makes accessory changes easy as PULL - TWIST - RELEASE. The onepiece mandrel design simplifies the process of changing cutting wheels, buffs and detail abrasive brushes (EZ Lock compatible accessories).

Available in many shapes, high speed cutters are

High Speed Cutters

used in carving, cutting and slotting in wood and plastics. These are the accessories to use for freehand carving in woo d or plastic, and for precision cutting. Made of high quality steel. 1/8" shank.

Tungsten Carbide Cutters

These are tough, long-lived cutters for use on fired ceramics and other very hard ma terials. 1/8" shanks.

Engraving Cutters

Th is group has a wi de vari ety of si zes and shap es, and are made f or in tri cat e work on ceramics (greenware), wood carvings, jewelry and sc rim shaw. They often are use d in making complicat ed printed circuit boards. They should not be used on steel and other very hard materials but are excellent on wood, plastic and soft metals. 1/8" shank.

Structured Tooth Tungsten Carbide Cutters

Fast cutting, n eed le- sha rp te eth for greater material removal with minimum loading. Use on fiberglass, wood, plastic, epoxy and rubber. 1/8" shank.

Silicon Carbide Grinding Stones (blue/green)

Tougher than aluminum oxide points, these are made es pecially for use on hard materials such as glass and ce ramics. Typical uses might be the removal of stilt marks a nd exces s glaz e on ceramics and engraving on glass. 1/8" shank.

Diamond Wheel Points

Excellent for fine detail work on wood, jade, ceramic, glass and other hard material. Bits are covered with diamond particles. 1/8" shanks. (Not recommended for drilling)

These include an impregnated polishing point and

Polishing Accessories

an impregnated polishing wheel for bringing metal sur faces to smooth finish; a felt polishing tip and felt polish ing wheel, and cloth polishing wheel, all used for polishing plastics, metals, jewelry and smal l parts. Also included in this g roup is a polishing compound (No. 421) for use with the felt and cloth polishers.

Polishing points make a very smooth surface, but a high luster is obtained using felt or cloth wheels and polishing compound . Fo r be st res ult s

polishing accessories should be used at slow speeds.

No polishing compound is needed when using the 425 Polishing Wheel.

Sanding discs in fine, medium and coarse grades

Sanding Accessories

are made to fit mandrel No. 402 and EZ407. They can be used for nearly any small sanding job you might have, from model making to fine furniture finish ing. In addition, there is the drum sander, a tiny drum which fits into the Rotary Tool and makes it possible to shape wood, smooth fiberglass, sand inside curves and other diffi cult places, and other sanding jobs. You replace the sanding bands on the drum as they become worn and lose their grit. Bands come in fine medium and coarse grades. Flapwheels grind and polish flat or contoured surfaces. They are used most effectively as a finishing sander after heavier surface sanding and material removal is completed. Flapwheels come in fine and coarse grades. Buffs are a great finishing accessory for cleaning and light sanding. They work effectively on metal, glass, wood, aluminum and plastics. Coarse and medium buffs are sold together. All buffs are sold individually. Use slower speeds for sanding accessories.

Cutting guide should be attached when using Drywall, Tile, and Spiral cutting bits according to assembly instructions.

Replacing Screw Mandrel

Accessories

Gives you fast, clean cuts in drywall.

Drywall Cutting Bit

Tile Cutting Bit

Cuts ceramic wall tile, cement board, and plaster.

Spiral Cutting Bit

Cu ts through all ty pes of woo d and wood composites.

Mandrel No. 401 is used with the felt polishing tip and wheels. Thread the tip on to the screw carefully. The felt tip must thread down straight on the screw Mandrel, and be turned all the way to the collar.

Mandrel N° 402 has a small screw at its tip, and is used with sand ing di scs . High er speeds, usually maximum, are best for most work.

To replace a band on the Drum Sander, loosen the screw without removing it to contract the drum then slide the old band off. Slide the new sanding band on and then expand the drum by tightening the screw once again.

WARNING

components are assembled to acc essory sh ank and that th e drum is su ffic ientl y expanded to secure the band during use. If

sa nding ban d is loos e on the drum duri n g op erati on it may “fl y ” of f an d str i ke yo u or bystanders.

Be fore each use, che c k to ma ke c e rtai n th at a l l

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