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FAMILY OF HORIZONTAL LATHES

FAMILY OF HORIZONTAL LATHES
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FAMILY OF HORIZONTAL LATHES

Product catalog summary
Overview: The document details the specifications and features of American Turnmaster high-speed precision engine and toolroom lathes, specifically Colchester type models ranging from 13” to 22”. These lathes are designed for precision and efficiency in machining operations.
Headstock: Features a heavy-duty geared headstock with a dynamically balanced forged alloy steel spindle supported by Timken taper roller bearings. It includes a pressure pump lubrication system, with spindle speeds of 50-2,500 RPM for the 13” model and 20-1,600 RPM for the 18” and 21” models.
Universal Gearbox: Equipped with a universal gearbox allowing a wide range of U.S. and metric threads without changing end train gears, supported by anti-friction bearings and operating in an oil bath.
Carriage and Cross Slide: Includes a wide, full-length cross slide with Turcite anti-friction material, a full-length foot brake, and a flood coolant system. Dual inch/metric dials enhance precision.
Safety and Control Features: Incorporates low voltage controls, nylon safety gears, shear pins in the leadscrew, centralized push-button controls, emergency stop, and spindle jog for enhanced safety.
Bed and Tailstock: Made from ultra-rigid Meehanite casting with induction-hardened and precision-ground bed ways. The tailstock features a two-speed option on longer models with inch/metric graduations on the quill.
Optional Accessories: Lists accessories such as chuck safety guards, digital readout systems, and various collet closers to enhance functionality and safety.
Specifications Summary: Provides detailed specifications for each model, including swing over bed, spindle type, spindle speeds, and motor power. Designed to meet NFPA and NEMA standards, with options for electronic variable speed drives and digital readout systems.
Optional Accessories: Includes steady rests, tool post grinders, manual index bed turrets, drill chucks, live centers, telescopic taper attachments, quick-change tool post sets, and rear tool posts.
Contact Information: Located at 800 Sprucelake Drive, Harbor City, CA 90710, USA. Contact numbers are (800) 421-2105 and (310) 518-1100, fax (310) 830-0923. Website: www.lagun.com, Email: [email protected].
Clientele: Notable clients include Boeing, Hughes Aircraft, Lockheed Aircraft, Northrop Aircraft, Rockwell International, Caterpillar, International Harvester, Ingersoll-Rand, U.S. military branches, IBM, TRW, Hewlett Packard, Bendix Corp., Monsanto, General Dynamics, Honeywell, Allied Chemical, Dresser Industries, Hollymatic, General Electric, Servo Products, Weyerhauser, and Westinghouse.
Superior Features: American Turnmaster Lathes, sold by Republic Lagun for over 30 years, feature Colchester® type characteristics with American Turnmaster standards, including forward-reverse spindle disc clutches, 3-bearing spindle support, and a large stock of options and accessories. Over 15,000 "AT" lathes are in operation.
Disclaimer: Descriptions, specifications, and illustrations are subject to change without notice, and the company is not responsible for misprints or typographical errors.
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Catalog excerpts

FAMILY OF HORIZONTAL LATHES-1

FAMILY OF HORIZONTAL LATHES Precision Engine & Toolroom Lathes

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FAMILY OF HORIZONTAL LATHES-2

AMERICAN TURNMASTER HIGH SPEED COLCHESTER TYPE Geared Headstock in Oil Bath Turcite® Anti-Friction / Vibration Material Under the Cross Slide Ways Full Length Foot Brake Flood Coolant System - Chip and Coolant Tray (Frontal Removal) Inch/Metric Dual Dials (For Compound & Cross Slide) Inch/Metric Enclosed Gear Box 3 Phase / 60 Hertz / 220 Volts Electrics AT-1340-G Swing Over Bed Swing Over Cross Slide Spindle Type Spindle Hole Spindle Speeds, Standard Main Motor, 2-Speed · Square Tool Post on T-Slotted Compound · Thread Chasing Dial · Full Length Rear Splash Guard · Drive Plate Distance Between...

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FAMILY OF HORIZONTAL LATHES-3

AMERICAN TURNMASTER HIGH SPEED COLCHESTER TYPE Geared Headstock - With Forward & Reverse Disc Clutch (Matrix®) Turcite® Anti-Friction / Vibration Material Under the Cross Slide Ways Full Length Foot Brake Flood Coolant System - Chip and Coolant Tray (Frontal Removal) Inch / Metric Dual Dials (For Compound & Cross Slide) Inch / Metric Enclosed Gear Box 3 Phase / 60 Hertz / 220 / 440 Volts Electrics Pressurized Lubrication to Headstock AT-1550-G Swing Over Bed Swing Over Cross Slide Spindle Type Spindle Hole Spindle Speed, Standard Main Motor · Square Tool Post on T-Slotted Compound · Thread Chasing...

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FAMILY OF HORIZONTAL LATHES-4

AMERICAN TURNMASTER HIGH SPEED COLCHESTER TYPE Geared Headstock - Forward & Reverse Disc Clutch (Matrix®) Turcite® Anti-Friction / Vibration Material Under the Cross Slide Ways Full Length Foot Brake Flood Coolant System - Chip and Coolant Tray (Frontal Removal) Inch / Metric Dual Dials (For Compound & Cross Slide) Inch / Metric Enclosed Gear Box 3 Phase / 60 Hertz / 220 / 440 Volts Electrics Pressurized Lubrication to Headstock Swing Over Cross Slide Distance Between Center Spindle Type Spindle Hole Spindle Speed, Standard Main Motor · Square Tool Post on T-Slotted Compound · Thread Chasing...

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FAMILY OF HORIZONTAL LATHES-5

AMERICAN TURNMASTER HIGH SPEED Geared Headstock - Forward & Reverse Disc Clutch (Matrix®) Inch / Metric Dual Dials (For Compound & Cross Slide) Turcite® Anti-Friction / Vibration Material Under the Cross Slide Ways COLCHESTER TYPE Inch / Metric Enclosed Gear Box Full Length Foot Brake Pressurized Lubrication to Headstock Flood Coolant System - Chip and Coolant Tray (Frontal Removal) 3 Phase / 60 Hertz / 220 / 440 Volts Electrics 2-Way Rapid Traverse and 2-Speed Tailstock on 120” centers lathes Swing Over Bed Swing Over Cross Slide Distance Between Center Spindle Type Spindle Hole Spindle Speed,...

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FAMILY OF HORIZONTAL LATHES-6

AMERICAN TURNMASTER THREE VEE-WAY EVS SERIES LATHES TW-EVS-A-SERIES LATHES Headstock Gears Hardened & Reishauer ground Gearbox Gears Hardened & Ground Bedways Hardened & Ground to Minimum HR-70 Gap Bed Design Turcite B Anti-Friction Material on Carriage Ways. Cross Slide Nut with Backlash Eliminator Full Length Foot Brake TRI-VEE WAY (TW) BED DESIGN Meehanite cast iron bed with Tri Vee Way Design. Provides perfect alignment and prevents wobble. Meehanite cast iron bed with Tri Vee Way Design. Flood Coolant System - Chip & Coolant Tray (Frontal Removal) Inch/Metric Dual Dials on Cross Slide, compound...

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FAMILY OF HORIZONTAL LATHES-7

Distance Between Center Spindle Type Spindle Hole Spindle Speed, Standard Main Motor · Square Tool Post on · Center Sleeve T-Slotted Compound · Thread Chasing Dial · 2 Dead Centers, No. 5 MT Ground Ways with · Full Length Rear Splash · Hardened &Gap Bed Guard Shot · Pressurized OneSlide & Lube for Cross · Drive Plate Swing Over Bed Swing Over Cross Slide DIGITAL READ-OUT SYSTEM Enhance productivity with an optional digital readout system. Most major brands available. Anilam 450-L I/O also features constant surface speed (CSS) RPM READOUT Headstock mounted RPM readout with spindle speed control...

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FAMILY OF HORIZONTAL LATHES-8

COLCHESTER TYPE LATHES (13” ~ 18”) - SPECIFICATIONS MODEL CAPACITY Swing Over Bed Swing Over Cross Slide Swing Over Gap Gap Length from Faceplate Distance Between Centers HEADSTOCK Spindle Hole Spindle Nose Camlock Speed Range (Mono-lever Selection) Spindle Speeds Spindle Inner Taper CARRIAGE Carriage (Bearing Length) Cross Slide - One Piece (L x W) Cross Slide Travel Tool Holder Travel FEED BOX Thread Capacity - Inches (Number of Threads) Thread Capacity - Metric (Number of Threads) Longitudinal Feeds Cross Feeds BED Width Depth Standard Bed Way Design TAILSTOCK Quill Diameter Quill Taper Quill...

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FAMILY OF HORIZONTAL LATHES-9

COLCHESTER TYPE LATHES (18” ~ 22”) - SPECIFICATIONS MODEL 3 1/16” (80mm) D1-8 15 ~2000 RPM Inf. Variable - 4 Step - Manual Shift No. 7 MT 3 1/16” (80mm) D1-8 15 ~2000 RPM Inf. Variable - 4 Step - Manual Shift No. 7 MT CAPACITY Swing Over Bed Swing Over Cross Slide Swing Over Gap Gap Length from Faceplate Distance Between Centers HEADSTOCK Spindle Hole Spindle Nose Camlock Speed Range (Mono-lever Selection) Spindle Speeds Spindle Inner Taper CARRIAGE Carriage (Bearing Length) Cross Slide - One Piece (L x W) Cross Slide Travel Tool Holder Travel FEED BOX Thread Capacity - Inches (Number of Threads)...

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FAMILY OF HORIZONTAL LATHES-10

OPTIONAL ACCESSORIES SJOGREN® TYPE 5C HANDWHEEL COLLET CLOSER 5C LEVER TYPE COLLET CLOSER FOLLOW REST For all models. With bronze or roller tips DIGITAL READOUT SYSTEMS (DRO’S) Operator friendly readout systems reduce setup time and increases productivity. Features Available: • Tool offsets for easy compensation of different tool sizes • Instant radius/diameter conversion reduces math errors and allows you to machine to print dimensions • 2 or 3 axes display • Preset & zero reset • Near-zero warning • Instant inch/mm conversion • Most popular brands HALOGEN WORK LIGHT CHUCK SAFETY GUARDS Solid...

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FAMILY OF HORIZONTAL LATHES-11

OPTIONAL ACCESSORIES KDK QUICKCHANGE TOOL POST SET STEADY REST For all models with roller tips TOOL POST GRINDERS Available in different wheel diameters for all models MANUAL INDEX BED TURRETS 6-Position, 6” Stroke DRILL CHUCKS Keyless & Key type All sizes available. LIVE CENTERS REAR TOOL POST ALORIS QUICKCHANGE TOOL POST SET TELESCOPIC TAPER ATTACHMENT Available for all models

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.