Atlas 6 Lathe Manual
Here is an Atlas 618 that I picked up a few months back and ended up cleaning it up and getting it back to usable condition. I was able to clean it up and do. Craftsman 6-inch Lathe Mk.1 Models (the same as the Atlas 6-inch): 'Type designations' stamped into the identification tabs on these Craftsman-branded models have included: 101.07301, 101.07300, 101.20140, 101.2048, 101.2048F, 101.2120, 101.2140 and 101.M1518 (for a special mica undercut version for electric repair-shop use) and the very early. 1976 Atlas 10A & M6-510A Mica Undercutter Instructions for 6, 10, 12 inch Lathes, 2 pages 1976 Atlas 618 MK-I Lathe Manual, 15 pages 612 & 618-Instructions and Parts List for Atlas 6-inch lathe, 4 pages 918, 918A, 918B Atlas 9 inch Metal Turning Lathe Parts List & Thread Gear Chart, 2 pages.
Atlas 6 Metal Lathe Parts
Atlas 10 Inch Lathe Manual
0tIa4-.
6' Backgeared Screwcutting LAT E SPECIFICATIONS CAPACITY
Swing Over Bed 6' Swing Over Carriage -.. 3Vz' Capacity between Centers _ 18' Threading Range 8 to 96 Standard, Right or Left Hand - Metric, .5 to 3 mm. Standard Collet Capacity 9-/32' (see page 14) Overall Dimensions _ . 33Vz' x 27' x 12' high SPEEDS AND FEEDS
* 6' swing, 18' capacity between centers * Headstock spindle is equipped with Timken
tapered roller bearings for accuracy, service and versatility
* Bed ways are massive, precision ground grey-iron for accuracy and rugged strength * The 16 spindle speeds equip you to handle a wide work range * Back gears provide extra power for heavy cuts
* Reversible
automatic longitudinal power feed cuts operating time
* Complete
V-belt drive
* Wide
thread cutting range 8 to 96 Standard, right or left hand Metric, .S to 3 mm., Standard.
* Operates from a
1f4
or
113
HP motor.
No. 618 6' BACKGEARED SCREW-CUTTING LATHE. Complete as shown, less motor, with equip ment listed below. Code YEDUF, shipping weight 100 lbs.
Sixteen Speeds..... _.... 54, 82, 122, 140, 187, 287, 317, 365, 481, 550, 820, 940, 1250, 1925,2125,3225 RPM. Feeds (Left or Right) per Revolution of Spindle...0078', .0048', .0039' or .0024' __ .1/z' Diam., Lead Screw _ _ 16 Acme Threads per inch DRIVE UNIT
Motor Recommended .1~ or V3 HP, 1725 RPM Motor Mounting _ _ Bench Countershaft Spindle Bearings Oilite Bronze HEADSTOCK
Spindle Bearings _._ _..Timken Tapered Roller Bearings with Thrust Take-up Collar and Nut Spindle Nose 1' Diameter, 10 Pitch NS Threads Spindle Nose Taper.. No. 2 Morse Taper Hole through Spindle 17/32' Back Gears _ 20 Pitch, %' Wide Backgear Shaft Bearings _ Oilite Bronze 24 Pitch, 32 Teeth, 7/16' Wide Spindle Gear.. CARRIAGE
Cross Feed TraveL __ _. __ _. __ __ .. _ _._ __4%' Cross Feed Screw_.. o/s' Diameter, Acme Thread Tool Post Slide TraveL. _ _ _l3,4' Tool Post _ _._ .. 13/32' x %' slot to take O/S' bits or tool holder for 3/16' bits
EQUIPMENT FURNISHED Reversible Automatic Power Longitudinal Feed; Graduated Compound Rest; Tool Post, Ring and Rocker, ¥S' Tool Bit; Complete Set of Change Gears to cut standard threads between 8 and 96 per inch; Threading Chart, Threading Dial; Quick-Change Counrershaft; Complete V-Belt Drive; Motor Pulley furnished is for %' diameter motor shaft dealer can supply bushings for 1/2 ' dia. motor shafts; 60-Hole Indexing Mechanism; 51/ / ' Combination Metal and Wood working Face Plate; Two 60 0 Lathe Centers - No.2 Morse Taper for Headstock, No. 1 Morse Taper for Tailstock; 3 Wrenches; Instruction Manual.
TAILSTOCK
Tailstock Ram
_._
_%' Diam. Bored for No.1 Morse Taper Tailstock Ram TraveL __.__ _. __ _ _ 11~' Tailstock Set-Over, Forward or Back._ _._._ 9/16'
WIDE THREADING RANGE Atlas 6-inch lathes are equipped with change gears and thread· ing dial for cutting all threads from 8 to 95 per inch, right or left band, in the following standards: National Coarse (U5S), National Fine (SAE), Acme, Square, and Whitworth. Gear train is completely en closed threading chart mounted on inside of guard shows gear train set-ups.
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_
M50-14
LATHE ATTACHMENTS
FLOOR STAND M6-800A FLOOR STAND. Provides a per manently rigid suPPOrt for your lathe. Legs are heavy grey-iron castings, lhickly ribbed and cross braced. Table board is IYs' lhick, lhoroughly seasoned, shellacked, var nished, and ready-drilled for quick lalhe moul1ling. Large b 0 (( 0 m board is convenienl for holding lools and accessories. Complete as shown in cluding mOlor mounling bracket and coumershaft support. YELYN. 1401bs.
DRILL CHUCK
No.
MOTORS AlIas mOlors are ~quipped wilh ball bearings. 60 Cycle, 1725 RPM-have Ys' single end shaft. Don 0 I h a v e switch, cord or plug. No.
HP
2120 2730 2831
'/4
I/, I/,
No. 2710 YIDEG
Voltage 110-220 110-220 220-440
JACOBS DRILL CHUCK with key· type wrench. Holds driIJs for extreme accuracy in drilling and counter sinking. Ruggedly built, precisely machined. Requires arbor No. 378 for headstock, No. L2'378 for tailstock. Capacit)' No. 70 driJi 1O 1/2 '. YAHIB. 2 Ibs.
No. 40-60
CENTER REST
CHUCK
JACOBS CENTER REST CHUCK. Has bronze jaws for holding centerless shafts and armatures in lathe tail stock. Requires arbor No. M6-377, listed below. Capacity J/l' to %'. Code Y AHOC. WI. 3 lbs.
No. 445
CHUCK ARBORS CHUCK ARBOR 10 adapt No. 445 Cenler ReS! Chuck to 6' lathe tailstock. YEELJ. 8 oz.
No. M6-377
Phase, Type
Weigh.
Single Phase, Capac~tor 5ta[[ Single Phase, Capacitor Starr Three
261bs. 281bs. 26 Ibs.
MOTOR CORD for single phase motors above.
Code YIERT YIOFA YIHEK
IV4 Ibs.
REVERSlNG SWITCH Essential for grinding. tapping, nut-selling, finishing. Operates on single phase, capacitor and 3-lead repulsion-induction motors (not 4-lead) - also both shunt-wound and com pound-wound DC.
CHUCK ARBOR to adapt No. 40-60 Jacobs Drill Chuck to 6' lathe tailstock. YECOC. 8 oz.
No. L2-378
No. 378 CHUCK ARBOR to adapt No. 40-60 Jacobs Drill Chuck to (,' lathe headstock. Y AHYA. 8 oz.
REVERSING SWITCH complete with cable connections and instaIJation dia gram. YOKTO. 1 l/2 Ibs.
No. 6813
DRAW-IN
COLLET CHUCK ATTACHMENT
4' INDEPENDENT CHUCK M6-844B 4-JAW INDEPEN·
DENT CHUCK, 4' DIAMETER,
threaded for 1'_10 lalhe spindle.
Holds work of all shapes in head·
stock. Body is high·strength semi·
steel casting. 4 jaws - operated
independenlIy - are special steel,
hand-fitted. Jaws may be reversed
for holding large stock. Wrench
furnished. YIALM. 6 Ibs.
The most accurate method of chucking work between 1/32' and 9/32'. Hollow construction permits rods to be passed through lathe spindle. Handwheel control releases and tightens collet on work. Closing sleeve is ground inside and outside to assure maximum accuracy. Atlas split collets are collet tool steel. One end threads on draw-in spindle. Other end is ground to fit tapered sleeve.
No.
4' UNIVERSAL CHUCK
3-JAW UNIVERSAL CHUCK, 4' DIAMETER, threaded for 1'_10 lathe spindle. For quickly centering and holding round and hexagonal work. Jaws are self centering, controlled by a single screw. Handles rods up to l/z' through headstock. Complete with inside and outside jaws and wrench. YIAJK. 5 Ibs.
No. M6-8458
HEADSTOCK CHUCK M6-37S JACOBS HEADSTOCK CHUCK, complele wilh key·rype wrench. An accurate and convenient chuck for hold~ ing small diameter work. Hollow conStrue· lion for handling long rods from No. 70 drill up to 17/32' rhru headslOck spindle. YEEBY. 3 lb>.
No.
DRAW-IN COLLET CHUCK ATTACHMENT with draw-in spindle, tape)'ed closing sleeve, less split hoJd ing collet. YEHYK. 2 lb.
No. M6-750
No. M6-7S 1
SPLIT HOLDING COLLETS -
Specify d,ametel. SIZeS, V~', 9/3Y. YEIBZ.
1/32', 1/16', 3/32', VB', 5/32', 3/16', 7/32', 4
07..
each.
No. M6-S48
Code YELLO.
SPINDLE NOSE CA P to protect lathe spindle threods. 8 oz.
LATHE LAMP M6-74S LATHE LAMP. Throws plenly of light on your work. Has 14' Rexible cable and ball joint at shade. Mounting bracke< clamps to base of bed. Durable, aucaccive. 6-foot rubber cord, plug furnished. YEERP. 2 lbs.
No.
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M50·15
~ 6' LATHE ATTACHMENTS
CUT-OFF TOOL Drop-forged holder with
.3 111' high speed replaceable
blade for quick, clean cut·
offs.
No. M6-590 CUT-OFF TOOL WIth blade. YEFCE, wt. 8 oz.
3/1 6' CUTTER BITS
No. M6-592
Extra Blade. Code word YEHDA, wt. 4 oz.
Six high-speed cutters, ready ground to shapes shown: R.H. turning and L.H. turning, R.H. facing, L.H. facing, round nose, 60° V-threading. No. M6-386 SET OF 6 FORMED CUTTER BITS, .3116'. YEGCA. 1 lb.
Six 3/16' Twelve .3116' Six %' (for tool post)
M6-386T 3855
Code
Wt.
Description
No.
THREADING TOOL Drop-forged L.H. holder with blade ground to cut 60° threads. Resharpen top edge only.
UNGROUND CUTTER BITS M6-3865
YEZAV YEZIX YARPY
1 lb.
tl/2 lb. 1 1/2 lb.
No. M6.430
Seven high-speed boring and turn ing tools ground as shown: %' external 60° V·threading, o/s' ex ternal turning, 3/16' boring, l/l' internal threading, %' boring, 5/16' boring, :l/s' boring, spacer an:! V-bbclc
BORING TOOL HOLDER No. M6-990 BORING TOOL HOLDER with clamp ring, V-black. plaen bkck, and Ill' high speed borin[: tool. Clamp ring fits over nol post. Slots hold boring tools of 3/16', 1/', 5116', %' diam. YIBUH. 1 lb.
DRILL PAD. Mounts in
tailstock ram as support for drilling flat
or square work with drill in headstock.
Ground steel shank is No. 1 Morse Taper. YATPO. 12 oz.
No. L2-360
'Is' LB. D~ring Tool 5/16' L.H. Bo,ing Tool 1/4 ' L.B. Boring Tool 3/16' L.H. Boring Tool 11,' InternaJ Threading Tool
CROTCH CENTER CROTCH CENTER. Auto· matically centers round work in tail· stock ram for accurate cross-drilling. Ground Steel shank is No. 1 Morse Taper. 2' diam., 1' slot. YATYR. 12 oz. No. L2·356
M6-348 BALL BEARING TAIL· STOCK CENTER. Center rotates on enclosed ball bearing. Recommended for high-speed operations. No. 1 Morse Taper. YEJJO. 8 oz. No.
YOKWY YOLAR YOUT YOLOV YOLRA
7
oz.
6 oz. 5 oz. 5 oz. 5 oz.
TOOL HOLDERS
60 0 LATHE CENTERS
Shank fits LOol post, head broached for 3/16' cutter bits shown above. Wt. 4 oz. eacb. No.
Description
Code
M6-139L
Left Hand Right Hand Straight
YEFAB YEFBA YEEWT
M6-139R M6-139S
318' diam. face.
BALL BEARING
TAILSTOCK CENTER
BORING TOOLS 6601 6602 6603 6604 6605
Code word YEFFO,
DRILL PAD
No. M6-380 TOOL-POST TOOL SET complete. 5 internal tools, 2 he'lvy-duty e~l'rnal tools. V-block, hei[:ht spacer. Code word YEFYH. we. 2 lb.
No. No. No. No. No.
THREADING TOOL.
wt. 8 oz.
TOOL-POST TOOL SET
1111
Code word
No. 2 Morse Taper for headstock, No. 1 Morse Taper for tailstock. Wt. 8 oz. each. No. L2-80 9-88 M6-138
Morse Toper
Code
No.1 YAVEN No.2 YAVAM No.2 to 1 Sleeve YEHHO
CENTER EJECTOR BAR KNURLING TOOL Self-centering floating construction - heavy steel shank. KNURLlNG TOOL with medium diamond shaped knurls. Code YEFEC, wt. 8 oz. No. M6-340
Extra Knurls, medium diamond. YEGYJ, wt. 2 oz. Per pair.
No. 343
Code word
Removes center from spindle without burring. Steel shaft has knurled ball grip brass head cannot damage center or spindle. CENTER EJECTOR BAR. Length 10'. Code word YETWY, wt. 112 lb.
No. M6-790
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M50·16
6' LAY E A
A HMEN
DOGS
MILLING ATTACHMENT
SET O.F 4 DOGS for diam eters up to p/z'i. Drop-forged steel. Hold work firmly. Code YAPAG. 2lbs.
This allachment equips the Atlas 6-inch lathe for face milling, CUlling keyways and slots, milling dovetails, squar ing shafts, making dies and moulds and many other im ponant operations. Installed quickly and easily by removing the compoun~ rest and clamp ing base of allachment in its place. The Atlas mill i n g attach ment is built extra - heavy to minimize vibration. Can be swiveled completely to hold work at any angle. Vise posi tion is controlled by a feed screw with micrometer grad. uated collar - a gib take-up assures per man e n t accuracy. Vise slide is graduated and can also be swiveled to any desired angle.
No. 142A
No. 142 143 144 145
Opening
liz'
%' 1'
IIj2'
Code
W •. 4 oZ. 5 oZ. 7 oZ. 10 oz.
YAOPK YAORM YAOWR YAOZT
CLAMP DOG CLAMP TYPE DOG. Handles square, rectangular, hexagonal, or round work. Clamp bars are steel forgings, carefully machined and hardened-screws are heat treated. Jaws open to 2~~'. YAPGA. 1 lb. No. 741
STEADY REST STEADY REST.
Clamps to bed ways to support
long pieces and insur
turning, b 0 r i n g and threading.
Bronze jaws prevent scoring work.
Capacity 2%' diameter. YEFHY.
3 lb.
No. M6-325
FOLLOWER REST
M6-395 FOLLOWER REST. Insures accurate work on long slender rods. Mounts on back of carriage dovetail slide, follows the cUlling 1001, holds work in rigid position. YEFID. 2 Ibs. No.
SPECIFICATIONS: Vertical Feed 13;4'. Overall Height 11 Yz', Jaw Depth -y-''. Cross Feed 3~8', Vise Capacity 2', Jaw Xlidth 2'.
MILLING AT TACHMENT complete as shown with flat block, and V block. YEILK. 10 Jbs.
No. M6-500
CUTTER HOLDING SET CUTTER HOLD ING SET. Holds milling CUller in headstock spindle. Includes draw bar, sleeve, arbor for Vz' shank CUllers. YEYBD, 2 lb.
No. M6-945
R.H. SPIRAL END MILLS For general milling. Straight shank-adaptcd with collet bushings below. Wt. 4 oz. ea.
TAPER
ATTACHMENT
TA PER ATTACH MENT. Quickly in stall ed, easy to operate. Rectan gular slide bar has rigid grey - iron bracket suppor~. A slolled draw bar connects to carriage cross slide and feeds tool at desired taper. Easy-tO-read index plate is graduated 7° and 3' both sides of center line. Maximum travel, one selling -7%'. Range, right or left - 7° (2-15/16' per ft.) YElTS. Wt. 4 1/ 2 Ibs. No. M6-700
No. S76A 5768 576C 576D 576E
19th. Flute
'Vs'
holding set
Diam.
Code
1/4 '
YAKCE YAKEC YAKFO YAKID YAKOF
11/16'
5/16'
%'
7/16'
%'
to
%'
liz'
15/16'
WOODRUFF KEYWAY CUTTERS For Woodruff keyways, slots, grooves, T-slou:. Yz' scraight shank - held in arbor of M6-945 set. Wt. 6 oz. each. No. Diameter Thick Code :;-57=-5=-A=------oc ' ' '-----,y,'8''----.. Y,-;'AL·UH I/2 5758 %' 3/16' YALYJ 575C 1' ,/.,' Y AMAD 575D 1 1/8' 5/16' YAMDA 575E IV.' 'Is' YAMEF
ANGULAR CUTTERS For face-miJling, dove-tailing. and curring angles less than 90°. Threaded hole - adapted to M6-945 set with arbors listed below. Wt. 6 oz. each.
CROSS SLIDE STOP M6-725 CROSS SLIDE S toP. Clamps to cross slide dovetail to set depths of dupli cate cuts. YEMKE. 8 oz. No.
No. 574A 5748
Thick
7/16' 9/16'
Diam. 1 1;4'
I'YB'
Hole
Thread
Code
.va'
24 20
YAUF YALJE
Yz'
ADAPTER ARBORS required
CARRIAGE STOP CARRIAGE STOP. Clamps to bed way to indicate accurate car riage SlOpping point. Code YIDAF. 1 lb.
No. 572 567
No. 6810
For No.
574A 574B
W•• 8 oZ. 8 oz.
Code
YEWTE YEWUX
COLLET BUSHINGS No. 563E FOUR COLLET BUSHINGS. Required to adapt 576 end mills to M6-945 holding set. Not required for 576E end mill.
YALED, 6 oz.
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M50-11
6/1 COMPLETE
~
THE ATTACHM
TS
WOODTURNING CHISELS
ARMATURE OUTFITS
An Atlas outfit puts the full armature profit in your own pocket. In less than 10 minutes it finishes the complete job - trueing, undercutting, and polishing. It is always ready 10 run, and JUSt one set-up handles any armature, centered or cenrerless ... quickly, easily, and accurately.
No. W13A SET OF 8 CHISELS. All have forged steel blades,
Only on a rigid accurate lathe is it possible 10 turn out accurate armature work. The Atlas outfits are buiIc around the 618 lathe - a rugged, precision-built machine 1001. The armature, held in Jacobs chucks, is trued on its bearings the motor-driven undercutter cuts clean, square parallel grooves of uniform depth. Result - a perfect contact for the brushes. Equipmenr includes everything you need co start work at once-lathe, undercutter, chucks, tools, and motors nOthing else to buy.
long maple handles with strong brass ferrules. Approximate length, 17 inches. Set consists of one each of the following: 3/a' gouge, o/a' gouge, I' gouge, 1//' skew, I' skew, I/Z ' round nose, Y2' spear point, %' parting. Y AZWY. 6 lb. No. L33 SET OF 5 CHISELS consisting of one each of the following: o/a' gouge, Vs' gouge, Yz' skew, Yz' spear point, %' parting. Code YJKYR. 3 lb.
HAND REST HAND REST. Clamps to
bed and provides a rigid tool support.
T·rest can be swiveled to any position
and locked securely. Furnished with tWO T-rests, 4' and 8'.
YOJSO. 3 lb.
No. 6910
ARMATURE OUTFIT. Includes Atlas 618 lathe with No. 2730 Y3 HP 1725 RPM motor and No. 2710 motor cord, No. M6-510A mica undercutter and 5 high-speed saws, No. !vf6-441 armature chuck kit, No. M6-139L LH tool holder, No. M6-386G )/16' armature bit, No. 144 1' lathe dog. YEJUK. 138 lbs.
No. 15A
16A ARMATURE OUTFIT. Same as above without motor and motor cord. YEJYL, 117 Ibs.
No.
ARMATURE OUTFIT. Same as 15A except that No. M6-845B 4' universal chuck is substituted for No. M6-,75 Jacobs headstock chuck. YEIZY, 140 Ibs.
No. 11 A
SPUR CENTER For driving work mounted between centers. Replaceable center point. Morse Taper shank. No. 350 L2-16
Shank
No. z MT No. I MT
WI.
Code
1 lb. oz.
YAWTY YEADZ
s
No. M6-13a SLEEVE No.2 to l MT. YEHHO, 6 oz.
No. L3-147 EXTRA POINT (or No. 50. YEWrV, 2 oz.
No. 147 EXTRA POINT (or No_ L2·t6. YEWSA. 2 oz.
12A ARMATURE OUTFIT. Same as llA without motor and motor cord. YEJEG, 1191bs.
No.
CUP CENTER MICA UNDERCUTTER Unsurpassed for quick, easy, profitable ~~~~Ii precision workmanship on recondition ing armatures. Mounts on carriage cross slide - out of the way while you use regular lathe tools to true and polish the armature, moved into position in stantly for undercutting. Five nws fur nished give you correct width cuts for various size armatures.
Supports work in tailstock. Replace able center point. Morse Taper shank. CUP CENTER with No.1 Morse Taper shank. Code YEACY, wt. 8 oz. No. 147 EXTRA POINT for No. L2-17. Code YEWSA wt. 2 oz. ' No. L2-17
SCREW CENTER For facing and hollowing operations. Alloy steel with replaceable center. Morse Taper shank. Diameter 2'.
No. M6·510A MICA UNDERCUTTER in cludes motor, 115 or 230 volt A.C., 25-60 cycle, or D.C. (speci(y voltage deSired), 5 hir,h
speed saws (.015', .020', .025' •. 030' . .035'),
extension cord, switch, plug. YOBIK, 9 lbs. No. 523A SET OF 10 HIGH SPEED SAWS - 2 each o( above thickness. YETUV. 2 oz.
No. 352 L2-352 M6-13a 355
No. M6-7ao COIL WINDING ATTACHMENT. Simplifies accur3CC coil winding. Replaces tool POSt - has fibre wire guide and spring adjuSt· ment on spool for correee tcnsion. Quickly mounted and removed. Code YEMIL. we. IV2Ibs.
Shank
No.2 MT No. I MT No. Z to 1 Sleeve Extra Point
No. M6-441 ARMATURE CHUCK KIT. Holds centcrless arma[ures in lache. Complete in mecal case. Includes headscock chuck with No. 2 MT arbor, cenCer resc chuck wich No. 1 MT arbor. YEJLY. a Ibs.
Code
YAWYT YEAHD YEHHO YEYEV
EXTENSION BED EXTENSION BED. For handling extra long wood work. Machined and finished to same specifications as lathe bed_ Length I6Y/'. YEMEK. 24 Ibs. No. M6·1 E
ARMATURE CHUCK KIT
WI.
I lb. oZ. 6 oZ. Z oz.
s
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