| Make | THIELENHAUS |
| Type of machine | SF 50 A4A Auto |
| Year of manufacture | 1987 |
| Machine's weight | 4000 |
| Total power requirement | 10 |
| Workpiece diameter | 50 |
| Overall dimensions |  |
| Swing | 0 |
| Workpiece length | 530 |
workpiece diameter: 50 mm
swing diameter: 0 mm
workpiece length: 530 mm
total power requirement: 10 kW
weight of the machine ca: 4000 kg
dimensions of the machine ca: m
T H I E L E N H A U S (Germany)
Centreless through-feed Superfinishing Machine with workpiece Handling
Model SF 50 A 4 A Auto
Year 1987 Serial No. 1.1.003152
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Workpiece Ø, min. / max. 5 - 50 mm
Speed of Workpiece transportation approx.. 0,2 – 2 m/min.
Transportation roll Ø x length 75 x 530 mm
Roll speeds steplessly adjustable 50 - 500 rpm
Roll circumferential speed 12 -118 m/min
No of superfinishing units 4
Stroke of superfinishing stone 30 mm
Contact pressure of stone, max. 6 - 38 kg/cm²
Swing frequency, approx. 50 – 1,780 dstr./min
Swing stroke, approx. 0 – 3 mm
Total electrical load, approx. 10 kW - 400 V - 50 Hz
Weight, approx. 4,000 kg
Accessories / Special Features:
At present there are 4 (of max. 4) stone holders built on the machine.
Distance between rolls, and roll inclination can be adjusted according size
of workpiece and required feed rate. Rolls are grooved.
Tool (stone) holder head is height and cross adjustable.
Tool (stone) holders are equipped with stone monitors with infinitely
variable Pneumatic pressure: Wear-out or breakage of stone is detected
immediately.
Infinitely variable settings of transportation roll speeds, and for
oscillation
Separate preparation unit for coolant/rinsing agent and with fine filtering
unit
Separate switch Cabinet with SIEMENS LSD Ctrl. S 5 with error reports
Workpiece handling system consisting of a belt-conveyor cross to the machining
line with a pneumatic pusher to intermediate band to a pneumatic actuated WP
stopper which releases the blank part to the machining units. The finished part
is pushed out on a transportation chute to be collected on a magazine conveyor
in a 4 pieces row.
Condition : Good -could be inspected under power. Rare Machine –
also ideal for Retrofit/Reconditioning
Delivery : Ex stock as inspected.
Payment : Net, after conclusion of contract.
Sold 
