Landis Machine 3/8"" Threading Machine Threading Machinery

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THE LANDIS

3/s'' THRE DI G MACHI E

Bulletin No. H-91

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Th·

LA.N-UIS

3/s" Threading Machine

fs h LA, ·r 1._~ R/ '' Thr r ding :\It ·hin in r1 r-

a.1<· man. 1w • f • tur . n t ordin ._ ri]y foun I in < mall

ltijr;h · l •d thr ·adin~ ma hin ·, wliirh m: k : thi. n •wly
d v,·fr J •rl t l ·p" i lly uitn.lil for ll1 c ·uratc

t hr nding f nH n. , nmll rmrl. u.· d in th manuf a I ur

, n 1 : -..rml,1. of , ir- •n ff, nut nt hil .', awl th r

pr du L r quiring pr i i n comp n nts. Th e many
fcatu r in rp rn.tcd into tl.e cl ign of the L TDI

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Th r acting

u.-ually hi h <l gr

duclion p . . ibiliti e , and ea of operation .

Ia hin com bin to as: ure an un -

of th r ad accur acy, unequaled pro-

The % " LANDIS Threadin g Machine

In l :lv 1 pin r t h L DI 1/s" Thr ca ling .r i a-

hin , v ry po ,j l 1 pr caution has be n tak n to as-

sur ma ximum p rating ffici ncy , long w aring qual-

iii s, an l ·impli city f d ign. Th e mac hin e i built

in onl t h .'ingl pind l mo I 1 . inc it i d sign ed

J rirnari ly for han lling mall thr a 1 d part. which

ann i h han ll cl ffici nlly with a cloul 1 hea l

thr a ling machin .

Built to the usual Landi 8 sta ndard for qualit y
of workm an hip and mater ial, designed by Landis en­gin ers with the experience of evera l decad es in bui ld­ing bette r thr ead cutting tool , and sold by a C01npany
that ha s won an nvia blc reputation th rough the de-

pendabl e performanc e of its product , t he LANDIS 1/s"

Thr -ading Mach ine fulfills a long felt need for such
a small , high peed, thr ead cutt ing machin e.

Th LANDIS Thr eading Machine

LANDIS MACHINE COMPANY

:lPie £anco. 1:ia1tdened and

to the man ufact ur e of thr ead cutt ing tools of th is type
and without qu tion t he Tangent ial Cha er reaches

9JL,o.und <i)ie 1:iead

Th e LANDI ¾" Thr eading Machin e is equipp ed

with th e 5V LANCO Hard ened and Ground Die H ead .

All operat ing parts of this die head are made of speci al
alloy stee l and are hardened and pr ecision ground.
Th e 5'\ LANCO Hardened and Ground Die H ead has
remarkab ly few operat ing parts . Th e mat eriRls from

which the e parts are made a sur e the rigichty which
i necessary for prec ision th read cutt ing operation s and
maximum production . Thi die head i. of the revolv­ing ty pe and i opened and closed automat ically by
means of a yoke attached to the n1achine and which
functions through the forward and return mov e1nent

its high est point of development in the Land is Chaser.

Accur acy i. a ur l to the u ers of th e Landi

Cha ser by th e free cutt ing act ion obta ined from

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The LANCO Hea d

of the machine car riage . Th e trip rod which connect
the carriage of the 1nachin e with the die head yoke ha s
a ratchet adj u. tment for locat ing the st op which con­trols the opening movement of the die h ad. Thi s
arrang ement as.~urc ext remely clo e control of the

thr earl length.

The LA DIS Chaser

the variabl e rak e angl e which permi ts grind ing the
chaser in the am e manner a a lathe to ol to uit the
mate rial being threaded and al ob the pre ence of the
nat ural clearance provid ed by the Tang ential align ­ment of th e cha er with the work which in turn reduc e
the bea ring urface to a theoret ical line of contact . Th e
lead controlling feat ur e of th e Landi Cha er i not
dest royed by regrin ding. Th e ntire cuttino- edge i
comp let -ly renewed ac h ti1ne th e cha er i re0Tound
and for thi . rea on t he cha er. Y,rill prod uc thread
which are accur ate for lead t hroughou t the ir entire life.

Th economy and th low o t of up l· - p of the

LAND I
the long life of the Landi ,h:1 r and to th int ~r-
cha.ng-abilit r featur whi h perm it " th . r grindin° · r
r 1 lac -men t of u . ino-1 ba r in ::t " t with ut r n wino-

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s" Tiu :1cling J\I:1 hine i du primar ily t

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Th LAND L' ¾" Tiu aclina- fachin cmpl th

pa1 enLr<l Lan li~ 'ha c>r whi h i. the orio·inal ta ng nt ial
threadi ng too l g ncra lly rccogniz cl to L wiLhou t qual

for accura cy, (' ·onomy, an l pr du tion, n i,hr ading

OJX"rati on. ·. T h L N DI ' Tang ntin.l has r i8 t h
rc•.·uli of many y .nrs of xp ,ri n r d v L d x hrnivdy

Th LANDI Thr ading Ma hin

t h rnt ir et. Th fr cutt.ino·u.l i nmntindnbv '

aL·o a<l l. to the onorni .al pcrn.t.i u by ma.hne: i

p ::;sibl t btn,in the m::tximum numb r f l hr ad"'

wi Lh m_ininmm wc'n.r at th . u Uinµ: ' LIO'l' of t h . chn. C'r.

An t.b r , av ing is ffe tu l wh r ' spc in.l thr t1.d: n,n to

h nl. h) t,IH' fo l l hn.l, nc , , of La.ndi.:- hn.sl'r will
t.ln utd an din,mek r wi Lhin Lh< cn.pm·i ly f n di h ad

;t H l ng n,, i lw pit ch n.nd fc rm )f l,hr n.d ·t nH1-in thL

s~ttnc. In n.ddi ti n, b )t.h ri~ht, n.nd ld l. hand th r nd'

LAND I M

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HIN E OMP NY

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rn" l f' cmt ,th t hr, . m . , f he . r. l , gri ding

Th mag of he ma hin i. ligh in w ight ye

hdh c•nd. f th• rh , nd b r PmpJ ing ri11;ht or l f.

h nd d1 r h Id r .

'J1,lo tin of th ch e . n lh ft ·o f h di,.

h , d J ro,,idr , rnJ I hiJ cl :1.rrtn whi h 1s m

nfit l it!, r I, n Jwr tin~ nt hiJl:h sp ·d r , h n

fhn-~ Jing t UJl;li nrn.ferial~. In thi. p . iti nth

:. r re· rlil , ('r.r:--. i hi for an n r . · r , o.djw-;t 111 o t r

(, r movnJ fr rn I h . di liro.d , h n r grindin 1~

n r ·. ary.

'I Jw LA ~1 L' } ..,,, Th r ·n.din :r i\ la •bin • ml di ,,,

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r

n,lnr '.' of lvnn , d .·i n I h'-t pr m te th rapid,

A nrl · nr micnl r r lu ti n f pr i~ion t.hrca l . Th

>1 C'TE tic n~ in •id nt, t

. tu h;, nd r d~ ar

1 ·rmit t lw J rrat r

for l a.din n,n l union.din th work pi c .

t.hreading all t pe.. of . er w.,

nt,r II ·cl lly on l v r whi h

f one hand

c:i am1 I pr por 1 • and iffi i ntly gibb d to the

h~ rd n d nd round w y f r f p ration. The

gripp "r uni i. mount d n th Iron face of th machine

rriag an<l a impl m aru i provid d for mainta ining

h ·orr t li nm nt of th gripp r unit both hori -

z ntaJly "nd v •rtically wj h th cent r of rota tion of

t,h ma h in . pin ell .

In op ration th gnp are opened at the end of

th ) r · turn troke of the carriag operating lever and

ar aut matically clo l during the fir t port ion of the

for ward st r k . Th advance of the carria ge is the n

cont,roll <l by th cont inuat ion of the forward troke of

h op rat ing lev r. Upon comp letion of a predete r-

min I thr a<l 1 ngth the clie head is tripped open auto-

mat ically. The die hea l is closed auto mat ically during
th r tur n travel of the carriage . T he operator has the
period from the in ta nt that the grips close until th e

r turn of the carriage to dispose of a finished work-

piece and elect the next piece to be th readed .

The design of the grip operating mechani sm is

uch t hat the effort requir ed to open the gripp er jaws
i very light, the reby redu cing operat ing fat igue to the
very m1mmun1.

The gripper uni t consists of an efficient , spring
loaded togg le mecha nism completely housed in the
carn age. A set of grip s is requir ed for each diam eter
of work within the capacity range of t he machine .
Grip of a type for holding the work either by the
body or head are ava ilable. Th e design of the grippe r
uni t perm its loading work from the top of th e grip so
the carriage travel can be held to a ffilnimum for any
combinat ion of length of thread and length of work
piece. Th e necessity of pushing th e work piece into

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The Carriage and Grips

Th LANOIS Threading Machine

or through the bole of a collet is avoided.

Th e spindl e of the LANDI S 1/s" Thr eading Ma -

chine i, mounted on precision preloaded ball bearings
fully protected and sealed against coolant and grit . Th e

bearing. are lubricate d from a reservoir of oil contain ed

in the spindl e a sembly. A convenient filler is provid ed

for n1aintainin g the proper volum e of oil in the reservoir.

LANOIS MACHINE COMPANY

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:JAe (j)A,iCJ.,e /llvian g,ement

Th drive of th pjnclle i thro ugh a . ingl "Vee "

operation provid es an -ffici nt m an.· for quick acce.
to tbe lie head. Th e driv e i complet ly nclo. ed,
and all wiring and piping concea led. Th e machine

belt running on heaves hav ing four step . Th e motor

i mounte l in the ba e of the machin e. A singl e lever

pre ·ent mootb surf aces that encourag es clean line. as
well as comp lete protection for the operator and ma­chin e elem nt s.

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The coolant pump i driv en from the motor by a

"Ve " belt with an adjustment provided for mainta in­ing the correct belt ten ion. Th pump requir e no
adju tment for changing from one ban l of thread to
another and may run cont inuou .Jy with tl:e coolant

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Rear View of Mac hine

Showi ng Drive Arrange me nt

is provided to facilitat the I lt adju . tment for an
one of the four pinclle ._peed.. Th e driv e i com­plete ly enclose l by a hinged door at the rear of the
machine.

'\Vhen both right and left -hand t hread. ar to be

cut , it i. s. enti al that a r v r.-ibl cont rol m tor be
employed.

Th ~ lJ cl is a on pi 'H.!-iti ng in orp nti inµ; th

id

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w of la chin

oohrnt lump

spin<ll<' mountin g, :1 largr Nl,. ily cl ,n,n d chip om pn.rt-

m~nt , a o lan1, r srr v fr, a mo Lor om1mrl.m n t-, and

a motor , tart<·r ·ornpartmrnl. hinµ;Pd cov c'I' , hi h

ompl<'tc•ly n JosrR iii di h 'ad f Lh mn. hi nc durin .,.

Th LANDI Thr adi ng Ma hin

c.kli. ry -hut IT will ut inj uri11~ r lwn,lin° ·. A YalYe

with n. , nvrnicnL opl'raling il '\'l'I' nt. lhl' to1 f th '

nrn him ' is n~l'd l<.. c' mtrn l the qrnwtity nf NH lnnl lh-

liv nd l th , die lwn.d.

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L NOi

HINE

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f th

LANDIS 3/s" Threading Machine

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CODE WORD

, fr ,hin , ni tor d ri\'Pl\ rorn J l<'t with grip . r r on diam t r .... . . . . ....... . YB ORJ

PECIFICATIONS

'n.J it. :

In h ... . ... .. . . ... . . ... .. . . . . ............. : .. ..... ... ..... . . . . . . ¾ II to ½ II re ¾ II to ½

Iillirnct

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f 8 . .. .. ........ .......... . ............ ... . .. . ............ 4.5 to 12 m/ m inclu sive.

u Ill b !f f 1 < I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.

I . P . i\L f Head ... .... . ................... ......... ... .. . ..... . . .. .. 270; 338; 520; 845 .

1~rav •l f ~arriag -' .. . ........................ . ......... .... . ....... . .. . 4

1 faximurn Thr ad L ngtb ........ . . ......... . .. ... ...... .. .. ........... 3

N L " ' ight . ........... .......... .. . . .. .... . .. ... . ... ... ....... . .. . .. 720 lbs.

fr . s \\ ight, ........ ............. ........ . . .. Dom estic 850 lbs.; Export 1020 lbs.

ljl r 'pa R quir d ...... . ..... .. .. .. ... . ... . .. .. .. .. . ..... .. . . .. .. . . 23

Hi hL fmachin .... .. . .. . .... .... . ... . .. . ..... .. ..... ............... 46½

B xu l 1\tica. ur m nt. .. .... .... . ...... . ...... .. ... . .. . . . . .......... . ... 50

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x 51,¾

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x 34

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x 54

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NF .

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11 t r:

• 'iz ......... .......... ... ........ .. .. . . .. . ............. . ........ ¾ H. P.

pproximat I c l. .... ..... .. .. . .... . . .. . ... . . ........ ...... . ... . 1000 or 1200 R . P. M.

'tan tar l quipm nt con i t of pump, wrench es, automat ic opening and closing attaclunent, work lo-

cat ing s ot, . B. L. Bolt Grips for one diam ter and oil gua rd .

Th L DI 1/s

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Thr -ading Machin e is paint ed tanda rd '.Iachine Tool Gray .

Th LANDIS Thr ading Machin e

LANOIS MACHINE COMPANY

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The LANDIS Line

THREAD CUTTING MACHINES

Landmaco Threading Machines
Bolt Factory Threaders
Automatic Forming and Threading Machines
4 Spindle Semi-Automatic Threading achines

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Pipe and Nipple Threading Mach·- e

THREAD CUT TING DIE H~........,

Landmatic (for Turret L . ? Machines)

Landex (for Autom
Lanco (for Aut . · ~~~:::-,,..~ ~ ..,,'"'_,,..., c and Hand-

_Operated - e
Lanco Pipe /! ~ .·
Stationar

Reverse ap
Standard

PRE CISIO TliRiAD GRINDER S
PIPE THREAD! GA D CUTTING 1\/IA HI ES
ROLLER PIPE CUTTER S
CHASER GRINDER S
COLLAPSIBLE AND ADJUSTABLE TAP

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Ro~ft~ e eads

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Detroit, Mich .

0 C MB R , 194 !1

LANDIS MACHINE COMPANY

Waynesboro, Penna., U.S. A.

Welland, Ont., Can.

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land, Obi

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PR INTED I N U . S.