Used PETER WOLTERS AC 500 #9251414 for sale
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ID: 9251414
Vintage: 1994
Double sided lapping machine, 20"
(3) Motors
Working wheel dimensions:
External diameter: 475 mm (18.7")
Annular width: 150 mm (5.9")
Thickness: 50 mm (1.96")
Wheel spacing: 45 mm (1.77")
Wheel wear: 20 mm (0.78")
Epi cyclic workholder drive system size: 48 TF 18/5
Workpiece carrier size: T 18
Pneumatic:
Maximum load: 250 daN
Minimum compressed air supply: 5 bar (73 psi)
Compressed air consumption: ~8 LPM (0.28 CFM)
Drive of upper working wheel:
DANFOSS Variable frequency drive
Maximum motor power: 1.4 kW (1.87 HP)
Speeds: 120 RPM
Direction of rotation: Clockwise
Drive of lower working wheel:
DANFOSS Variable frequency drive
Maximum motor power: 1.4 kW (1.87 HP)
Speeds: 106 RPM
Direction of rotation: Clockwise / Counter clockwise
Workpiece drive:
DANFOSS Variable frequency drive
Maximum motor power: 0.9 kW (1.2 HP)
Speeds: 67 RPM
Direction of rotation: Clockwise / Counter clockwise
Drive of tilting device:
Worm gearbox and motor brake
Motor power: 0.25 KW (0.33 HP)
Speeds: 2.6 RPM
Control voltage: 110 V / 24 VDC
Includes:
Epi cyclic workholder drive system
Measuring control unit
Set point generator
Tilting arm
Slurry stainless steel tank
Manual
Power supply: 480 V, 3 Phase, 60 Hz
1994 vintage.
PETER WOLTERS AC 500 is a multi-axis polishing and grinding equipment designed to produce high-precision, high-quality finishes on all types of wafers. The device is designed to accommodate up to four wafer carriers, each of which can be rotated in two axes and tilted back and forth up to eight degrees. This ensures the uniformity of the finish on the wafer surface. The system has several integrated grinding and polishing tools, allowing for precise and repeatable operations. The grinding tools include a diamond grinding wheel, diamond grinding discs, and conventional and electro-plated grinding wheels. For polishing, the unit can house abrasive, silk-like cloth polishing and abrasive papers of various grades. Additionally, AC 500 supports diamond pastes and lapping films. PETER WOLTERS AC 500 features integrated sophisticated software to control the machine. The integrated touch-screen LCD controller (UCP-Control) offers precise control over the tool parameters such as the grinding and polishing speed, pressure, angles, etc. This allows the user to adjust the parameters to get optimal results for the specified application. In addition, the asset offers a variety of safety and reliability features. For example, the automatic stop-function stops the grinding/polishing process in the case of overload or even short-circuits making sure the model remains undamaged. The equipment also includes acoustic and optical alarms in the case of system anomalies. AC 500 offers an efficient solution for grinding, polishing, lapping, and other wafer processing operations. Its intuitive software and LCD controller allow for precise and repeatable parameters adjustment making it an ideal choice for grinding and polishing brittle wafer materials. Its strong construction and reliable safety and reliability features make it a great value.
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