GANESH (EXPAND MACHINERY) GTW-20 SERIES GEARED HEAD ENGINE LATHE 20" x 80"
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GANESH (EXPAND MACHINERY) GTW-20 SERIES GEARED HEAD ENGINE LATHE 20" x 80"
CONSTRUCTION:
Meehanite Castings, fine grain and high-density cast iron using the superior Meehanite process yields superior vibration dampening and improved surface finish and tool life.
Hardened & Precision Ground Bed Ways with Turcite-B anti-friction coating
Gap-Bed with added swing clearance
HEADSTOCK:
10-HP heavy-duty spindle motor for efficient metal removal capability
Hardened & ground D1-8 Camlock 3-bearing spindle with 3-1/8” spindle bore
Two tapered SKF-Germany roller bearings & a rear deep-groove ball bearing
12-speed geared-head with 20 – 1550 rpm spindle speeds
Alloy Steel Hardened & Ground Headstock Gears
Safety gated spindle control lever to protect from accidental engagement
Chuck guard w/ Micro-switch to control spindle for added operator safety
Footbrake provided for added safety and operational convenience
AXIS FEED DRIVE:
Inch / metric, diametral & modular threading capability without the use of change gears
A thread dial indicator is included with the machine for inch & metric thread cutting
Dual Inch/Metric cross feed, compound, and longitudinal dials
Safety overload clutch for feed shaft to protect gearing from overloads
Lead screw Safety Torque Limiting device as well as a shear pin for lead screw
The automatic feed mechanism is mechanically interlocked with the thread cutting engagement lever to prevent damage thought simultaneous engagement.
The fourth rod controls a 4-position automatic feed stop which disengages the longitudinal feed motion at 4-distinct adjustable feed stop positions.
MACHINE FEATURES:
Automatic way lubrication with filtered pressure lubrication system.
The electrical control box and coolant system are equipped with electro-magnetic contactors and
overload relay protection devices to prevent motors from burning out and to ensure safe operation.
The 2-speed advance tailstock quill is oversized and equipped with a tang-drive and a drift-slot to make removing the centers and taper shank drills very easy.
Flood coolant system is included
Large compliment of parts and accessories in stock to ensure continued operation
10-HP Spindle Motor
Spindle Speeds from 20 – 1550 RPM
12-Spindle Speed Gear-Ranges for High-Torque
D1-8 Camlock Spindle
3-1/8” Spindle Bore (80 mm)
26-3/8” Swing in the 7” Wide Bed Gap
Includes Full-Length Back Splashguard
Included in Value Package:
Newall DP 700 or Fagor 2-axis DRO - installed
Quick-Change Wedge-Type CA size 4” wide tool post & 5-toolholders
Machine Options
Factory machine installation: “Peace-of-Mind Factory Installation” – includes expenses $2,995.00
Wiring to 440 volts. (Net Price) $495.00
Upgrade to Steady Rest with Roller Bearings $595.00
Live Center MT-5 $1,185.00
Micrometer Carriage Stop $295.00
Taper Attachment Factory Installed $2,995.00
5C Collet Closer (JFK) quick-action lever-type installed $2,195.00
Toolholding Options
Drill Chuck and MT-5 Arbor, 3/4” capacity $395.00
Dorian Quick-Change Wedge-Type CA size 4” wide toolpost &; 4-toolholders Installed $1,995.00
2 ea Turning/Facing toolholder, 2 ea. Boring/Turning/Facing toolholder
Quick-Change Wedge-Type CA size 4” wide imported toolpost & 5-toolholders Installed
$995.00
1-1” Turning/Facing, Boring/Turning/Facing, H-D Boring, Cutoff/Grooving, Knurling/Facing/Turning
Digital Readout Options
2-Axis 60” Newall DP700 Premium DRO’s – installed $2,995.00
2-Axis 80” Newall DP700 Premium DRO’s – installed $3,750.00
3-Axis readouts and additional FAGOR models are available by request.
MACHINE SPECIFICATIONS
Capacity & Dimensions-
Swing over Bed 20” 510 mm
Center height 10” 255 mm
Swing over Cross Slide 13” 330 mm
Swing thru Gap 26-3/8” 680 mm
Length of Gap in front of D1-8 face plate 7-1/16” 180 mm
Bed Casting - width / height 16-1/8” / 12-7/32” 400 mm / 310 mm
Spindle-
Spindle Motor Horsepower 10-HP 3-Phase
Spindle speeds – 12-speeds, 20 – 1550 rpm
Spindle Bore 3-1/8” 80 mm
Spindle Nose D1-8 Cam lock
Spindle taper in spindle nose MT-7 Morse Taper # 7
Spindle taper reduction sleeve provided MT-7 to MT-5
Carriage -
Cross slide travel 12-1/2” 320 mm
Cross slide width 7-3/32” 180 mm
Cross slide lead screw pitch 0.200”/rev.
Cross slide resolution per division 0.001” (on diameters)
Carriage lead screw diameter 1-1/2” 38 mm
Carriage lead screw pitch 4 TPI 6 mm pitch
Feed rod dimensions 7/8” hexagon 23 mm hexagon
Compound- Four T-nut lock-down bolts on compound cross-slide base
Compound top slide travel 10” 255 mm
Compound top slide width 4-11/32” 110 mm
Cutting tool height maximum 1.0” x 1.0” 25 mm x 25 mm
Tailstock- (2-speed quill advance) Engraved with inch / metric quill graduations
Quill diameter 2-15/16” 75 mm
Quill stroke 6-5/16” 160 mm
Quill taper MT-5 Morse Taper # 5
Quill tang drive and drift-slot for tailstock included
Tailstock body set-over adjustment ±0.04” ± 1 mm
Thread Cutting-
Leadscrew diameter / pitch 1-1/2” / 4 TPI 38 mm / 6 mm pitch
Thread cutting range – 60 inch pitches 2 – 112 TPI
Thread cutting range – 60 metric pitches 0.2 – 14 mm
Thread cutting range – 50 diametral pitches 4 – 112 D.P.
Thread cutting range – 50 module pitches 0.2 – 7 M.P.
Feeds- (with clutched feed shaft for safety)
Feeds – longitudinal - 50 feeds 0.0014” – 0.0387”/rev. 0.037 – 1.04 mm/rev.
Feeds – cross - 50 feeds 0.0007” – 0.01935”/rev. 0.0185 – 0.52 mm/rev.
Feed stop shaft 4-adjustable automatic feed stops to disengage the longitudinal feed
Power-
Coolant Pump 220 vac, 1/8-HP, 3-Phase
Machine Power Requirements (440vac optional) 220 vac, 3-Phase @ 30 amps
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