12.6″ x 20″ toyoda ge4p-50m cnc plain cylindrical grinder
new: 2013

SPECIFICATIONS:
max. work swing: 12.6″
max. distance between centers: 20″
max. supportable weight: 330 lbs.
workhead
work speeds, infinitely variable: 10 – 500 rpm
center taper: #4 morse
workhead spindle: live spindle
wheelhead
travel distance: 9.843″
rapid traverse rate: 393.7″ inch/min
programmable feed rate: 0.00001 – 200 inch/min
straight: 0 degrees fixed
wheel spindle bearings: toyoda stat bearings
tailstock
work center taper: #4 morse
quill travel distance: 0.787″
taper compensation: 0.002
quill advance/retraction: hydraulic power
grinding wheel
size (od x width x id): 16″ x 3″w x 5″
max. grinding wheel width: 4″
minimum grinding wheel o.d.: 11″
sfpm surface speed: 6,500 – 4,475 sfpm
table
travel distance: 30.315″
rapid-traverse rate: 393″ inch/min
programmable feed rate: 0.0001″ – 200″ inch/min
swivel of taper adjust: 0 to 12.5 degrees
way construction: ground, vee and flat pressurized
motors
wheel spindle: 5 hp t.e.f.c.
work spindle: 1.0 hp ac servo
wheelhead feed motor: 1.15 hp ac servo
table feed motor: 1.75 hp ac servo
wheel spindle lube: 1/3 hp
machine dimensions and construction
dimensions: 58″w x 76″d x 74″h
centerline of workpiece, height from floor: 41″
weight: 8,800 lbs.
construction: cast iron

tank capacities
way lubrication oil tank: 3.17 gallons
wheel spindle lubrication tank: 3.17 gallon
lubrication
wheel spindle: recirculating hydraulic oil
ways: recirculating lube oil
ballscrews: recirculating lube oil
workhead spindle: permanent grease packed
footstock: recirculating hydraulic oil
electrical specifications
standard voltage: 220 volts, 3-phase, 60 hertz, ac
toyoda rc-50b cnc control specifications:
manual pulse generator
full linear and circular contouring and positioning
digital and ac servo systems
direct rpm programming or constant surface feet per minute
built-in diagnostics
color lcd display
macro subroutines
decimal point programming
absolute/incremental programming
usb port, computer interface
machine features & equipment
cast iron machine base
vee & flat pressurized way system
combination live & dead spindle workhead
workhead, dual “live” & “dead” spindle option
toyoda “stat” grinding wheel spindle bearings
hydraulic power operated tailstock
fine taper adjustment of tailstock
presently has a 16″ x 3.5″w grinding wheel, with 4″ wheel guard capa
coolant system with “barnes” magnetic separator
dial indicator for table swivel adjustment
center in workhead