6
Introduction
This manual is provided by WMH Tool Group cov ering the safe operati on and maint enance procedures
for a Model 3520B Lathe. This manual contains instructions on installation, safety precauti ons, general
operating procedures, maintenance instructions and parts breakdo wn. This machine has been de signed
and constructed to provide years of trouble free operation if used in accordance with instructi ons set f orth
in this manual. If there are any questions or comm ent s, please contact eit her your l ocal suppli er or W MH
Tool Group. WMH Tool Group can also be reached at our web site: www.wmhtoolgroup.com.
Specifications
Model Number................................................................................................................................. 3520B
Stock Number..............................................................................................................................1352001
Working distance between centers (in.)............................................................................................ 31-1/2
Working distance between centers, 18” bed extension mounted (in.)...................................................... 48
Maximum distance between spindle face and tailstock quill (in.) .............................................................36
Swing over bed (in.)............................................................................................................................... 20
Maximum overall length (in.) ..................................................................................................................73
Overall height to top of headstock (in.) .............................................................................................49-1/2
Distance from floor to centerline of spindle (in.)......................................................................................45
Spindle speeds (RPM).................................................................................... high 125-3200; low 50-1200
Motor...................................................................................................................TEFC, 2HP, 220V, 60Hz
Lathe power requirements ............................................................................................. 220V, 3Ph or 1Ph
Spindle thread size (in.) ........................................................................................................1-1/4 x 8 TPI.
Headstock spindle taper.............................................................................................................. #2 Morse
Tailstock quill taper..................................................................................................................... #2 Morse
Hole through tailstock spindle, diameter (in.) .........................................................................................3/8
Hole through headstock spindle, diameter (in.)...................................................................................... 5/8
Drive system.......................................................................................................Poly V belt, inverter drive
Tailstock quill travel (in.).....................................................................................................................4-1/2
Footprint of stand (in.)............................................................................................................. 50 L x 24 W
Spindle direction................................................................................................................forward/reverse
Net Weight (lbs.)..................................................................................................................................630
Shipping Weight (lbs.)..........................................................................................................................682
The above specifications were current at the time thi s manual was published, but because of our policy of
continuous improvement, WMH Tool Group reserves the right to c hange specifications at any t ime and
without prior notice, without incurring obligations.