Solitec / Klingelnberg model AFS 250 (3 Axis) CNC Hob sharpener, 250mm hob diameter, re-manufactured in 2006 s/n 114/06

One - SOLITEC 3 Axis CNC Hob Sharpening Machine, Model AFS 250
(formerly KLINGELNBERG AGW 231 )

Machine Overhauled and Retro-Fitted in Germany for US market

For grinding straight or spiral fluted hobs in wet grinding
process with Borazon or ceramic grinding wheels – quality AA
can be achieved easily)
- Equipped with new control unit for 3 Axis– CNC
– axis, i.e. controlling of lead and indexing
( no change gears, no indexing plates required anymore ).
3rd CNC - axis for grinding roughing hobs with chip breaker flutes

PRINCIPLE SPECIFICATIONS:

Max./min. workpiece diameter 10"/ 0" [250 / 0 mm]
Min. root diameter of hob .19’ [5 mm]
Max. flute helix angle 45 degrees
Max. flute lead Infinite
Max. flute grinding depth 2" [50 mm]
Min./max. grinding wheel diameter 7"/10" [180/250 mm]
Max/ Min Wheel spdle speeds inf. variable 1500/2700 R.P.M.
Peripheral wheel speeds, up to 114 Fps [35 Mps]
Number of flutes 3 TO 39
Max. wheelhead slide stroke approx 18.375" [475 mm]
Max. grinding stroke approx 15" [380 mm]
Net weight approx 8800 Lbs. [4000 Kg]
Length 79" [2000 mm]
Width approx 46" [1160 mm]
Height 67" [1700 mm]

Actual technical data after Retro-fitting (TBD): originally offered in 2006

1.) Siemens SPS (PLC) – Simatic S7-300
2.) SM-Motion CNC-control – SM 400
3.) 3 servo motor drives
4.) Ball screw spindle for driving the grinding head
5.) Separate control board
6.) Easily operative control panel
7.) Memory: 200 tools
8.) Easy put-in of hob data
9.) Grinding wheel swivel (y-axis): Automatic identification
of hob lead if unknown.
10.) For determination run-out the work piece is turned 360°
by push bottom
11.) Flutes / gashes: 1 – 99 / straight flutes or spiral
12.) The spiral is calculated by adjusting the grinding head
and is set manually by push bottom
13.) Lead of flutes: 120 up to 19000 on demand easy finding
of hob lead via machine control unit
14.) Grinding slide (x-axis): Working speed adjustable in steps
1,6 m/s to 16 m/s
15.) During roughing and finishing different working speeds
of grinding slide possible
16.) Working speed of grinding slide can be changed during
grinding operation
17.) During roughing and finishing different working speeds
of grinding wheel possible
18.) Grinding wheel speed: digital display
Infinitely variable revolution permits highest performance as
regards time and quality when grinding the different material
and coatings. Controlled oil grinding motor drive permits
continuously equal grinding wheel speed.
19.) The five counter determining the number of terms can be
set during the program is in force
20.) Simple setting of machine (no change gears, no indexing
plates required anymore / time saving)
21.) Grinding of hobs can also be done manually.

OVER VIEW of Rebuild in 2006

Complete Reconditioning with new electrical equipment on SIEMENS S7 basis, i.e.
- complete dismantling of machine parts
- Cleaning of all machine parts and covers
- Mechanical test of machine parts
- Replacement of all bearings, all seals, all hoses
- New hydraulic pump valves and filter
- New hydraulic motor of spindle drive
- Replacement of lubrication system
- Testing of run-out of grinding wheel spindle, dressing attachment
and tail stock, testing of alignment between centers, full machine
tests to original Klingelnberg rest-report.
- Smoothing and painting
- Assembling of machine

EQUIPMENT / FEATURES:

- Suited to grind with Vitrified, CBN, and Diamond grinding wheels
- grinding wheels
- Automatic wheel dressing
- Guard for wet grinding
- Operator’s manuals, hydraulic diagrams
- Misc. tooling and back up software disc

Call us to see under power video via whats App !!!

This machine can now be inspected in our statesville NC Warhouse with
proper notice . contact us today to set up and inspection or visit our
website at WWW.Pisellient.com to request a formal quote and pricing
on line and/ or see more photos and similar equipment. If you want to
come inspect this or any other machines contact Rich Piselli directly
at Rich@PiselliEnt.com

thank you
Rich Piselli
704 609-0766