Description:

Fellows Model 20-4 CNC Gear Shaper, Remanufactured and Recontrolled with (3) Axis Fanuc 31i Controls, Max OD 20", Max Face 4''
Reference #:
3011
Machine Specifications:
Max pitch diameter (External)
20"
Max pitch diameter (Internal)
20"
Max face width, external & internal
4"
Max diametrical pitch spur
4 DP
Max diametrical pitch helical
5 DP
Bore through work spindle
9.055"
Cutter spindle diameter
3.543"
Max helix angle with special guides
45 deg.
Distance between work table & cutter spindle (w/no riser)
12"
Dimensions (L x H x W)
126"x 117"x 70"
Machine net weight, approx.
18,000 lbs.
Machine comes as a complete unit and requires minimal setup
Equipment Features:
* Fanuc 31i 3-axis control
* 20 HP spindle motor with programmable AC variable drive to control stroking speed
* Stroking speeds from 50-900 other SPM available upon request
* Standard spur guide. (Helical guides available)
* Rebuilt X axis infeed system
* X axis absolute scale
* 1 Cutter spindle back off cam
* Remanufactured table group and upper saddle assemblies
* X-Axis box ways reground and fitted
* Work table surface reground
* New electrical cabinet with air conditioning system
* Half cabin enclosure with door safety locking system
* 1HP coolant pump
* Removable chip basket
* 2- sets documentation (hydraulic, electrical, and operator)
Control Features:
* C-Axis work table rotation (no change gears required)
* X-Axis work table infeed
* B-Axis cutter spindle rotation
* Cutter at top feature
* Custom Macro screens for easy conversational programming
* One to five cuts can be selected
* Segment cutting
* Single index and/or slot cutting
* Sizing cycle feature used to make corrections to the size of a part without running through a complete multi cut cycle
* Part programs can be stored in nonvolatile memory with up to 15 characters
* RS-232, S Ram, and Ethernet communication ports. (S Ram card included)
Hydraulic System:
* Integral to the machine providing lubrication and pressures for tailstock and work clamping if required
* Trabon lubrication system with feedback sensors for lube pulse monitoring
Paint:
* Machine to be painted to customers specifications not to exceed 2 colors
* Standard R.P. Silver/White on Blue