JET large spindle bore lathes are a JET exclusive! The 4-1/8 Inch spindle bore is supported by two tapered and one ball bearing, while the headstock gears are hardened, ground, shaved and composed of chrome molybdenum. The universal gearbox allows inch, metric, diametral and module pitch threads with no change of gears required.
Jet 321863 Lathe Features:
Large 4-1/8" Spindle Bore
Turns 89 different thread sizes
Clutch operated headstock with all headstock gears hardened and ground
Bed ways are induction hardened and ground for durability
Heavy-duty tailstock and quill
One piece heavy-duty cast iron base and bed
12 speeds in range 36-1600 RPM
Rapid power traverse to cross slide and carriage
Headstock-gearbox designed for quick setup of thread turning operation without changing gears.
STANDARD EQUIPMENT:
12" 3-Jaw Direct Mount Scroll Chuck with Jaws
16" 4-Jaw Chuck
Face Plate
2 Steady Rests
Follow Rest
4 Way Tool Post
Coolant System
Full Length Splash Guard
Halogen Work Lamp
Jet 321863 Specifications:
Spindle Bore (In.): 4-1/8
Digital Readout: ACU-RITE 200S
Swing Over Bed (In.): 26
Distance Between Centers (In.): 80
Swing Through Gap (In.): 34
Motor (HP): 10
Swing Over Cross Slide (In.): 16-1/2
Length of Gap (In.): 8
Spindle Mount: D1-8
Spindle Taper with Sleeve: MT-5
Number of Spindle Speeds: 12
Range of Spindle Speeds (RPM): 36 - 1,600
Number of Longitudinal and Cross Feed Rates: 65
Range of Longitudinal Feeds (IPR): .0023 - .0937
Range of Cross Feeds (IPR): .010 - .0404
Number of Inch Threads: 48
Range of Inch Threads (TPI): 2-30
Number of Metric Threads: 22
Range of Metric Threads: 1 - 14
Max Tool Size (In.): 1-1/4 x 1-1/4
Compound Slide Travel (In.): 5-1/2
Cross Slide Travel (In.): 12-3/32
Carriage Travel (In.): 72-1/2
Tailstock Spindle Travel (In.): 6
Taper in Tailstock Spindle: MT-5
Steady Rest Capacity (In.): Small 25/32 - 4-29/32, Large 3-15/16 - 9-7/16
Follow Rest Capacity (In.): 25/32 - 3-15/16
Width of Bed (In.): 16
Prewired (V.): 230
Quick Info / Prop 65
More Info / Prop 65
Model#
321863
UPC
731325247787
Brand
Jet
Customer Reviews
Write Reivew for Jet 321863 GH-2680ZH, 4-1/8 Inch Spindle Bore Lathe With 2-Axis ACU-RITE 200S DRO
Write Reivew for Jet 321863 GH-2680ZH, 4-1/8 Inch Spindle Bore Lathe With 2-Axis ACU-RITE 200S DRO