CD120 Centrifugal Disc Finishing Machine
- Data Sheet
- Product Description
- Video
| Model | Capacity | Size | Motor | Weight | Speed | Chamber Diameter | PU thickness |
| (L) | LxWxH (mm) | (kW) | (kg) | (rpm) | (mm) | (mm) | |
| CD50A | 50 | 1390x700x1240 | 1.5 | 400 | 50-180 | 460 | 22 |
| CD50 | 50 | 1000x660x1120 | 1.5 | 300 | 50-180 | 460 | 22 |
| CD120 | 120 | 1740x900x1470 | 4 | 600 | 50-160 | 640 | 26 |
- Outline drawing
1. Grinding bucket, 2. Basement, 3. Electric cabinet
Disc Finishing for Controlled Batch Processing
The CD120 uses a rotating bottom disc within a stationary processing bowl. The moving load circulates through the chamber, bringing parts into repeated contact with the finishing media for suitable deburring, smoothing, or polishing operations.
The described arrangement uses manual unloading. Review loading access, removal of the finished batch, separation, and transfer to rinsing or drying as part of the process. See the data sheet for the listed machine dimensions, drive ratings, and capacity.
- Disc clearance and media size checked against the workpiece geometry
- Operating speed and cycle established for the selected machine
- Water and compound supply coordinated for the intended wet process
- Bowl lining and unload method reviewed for part sensitivity
Send the part material, dimensions, thickness, batch quantity, and required finish. Confirm the applicable CD120 speed limits, minimum part thickness, and clearance through the supplied specification and a sample trial.
Fig. Structure drawing for clearance adjustment of the revolving disc
- 1. Adjusting screw
- 2. Connecting sleeve (being connected into an integral whole with the revolving disc)
- 3. Spindle
- 4. Revolving disc
Adjusting method
After removing the locking bolt and the central cover, adjust part 1 (adjusting screw): to reduce the clearance, screw part 1 clockwise, it moves down, which will cause parts 2 and 4 to move up.
If there is no clearance at the pitching-in between part 1 and part 2, put a steel washer on the top of part 3, the spindle, and then start adjusting (the inner diameter of the washer must be smaller than the diameter of the spindle).
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How Disc Finishing Moves the Load
Rotation of the bottom disc drives the mixture outward and up the stationary bowl wall. The load then returns toward the center, creating continuous circulation. Media, load size, speed, compound, and part geometry determine the cutting or polishing action.
Thin Parts and Clearance
Disc-to-bowl clearance is a critical selection point for thin parts and small media. Verify that the smallest workpiece feature and the selected media remain compatible throughout the operating range. Do not infer thin-part capability from bowl volume or motor power alone.
Manual Unloading and Process Flow
Plan the unloading method, receiving container, screen separation, rinse step, and drying together. A finishing trial should check edge condition, surface finish, dimensional change, part contact, and media recovery. The technical adjustment reference below is retained for the machine review; adjustment and maintenance must follow the supplied instructions.
Drive, Lining, and Liquid-Supply Options
The range description lists 20–25 mm polyurethane lining, an optional Bosch Rexroth frequency converter, and water or compound dosing with an optional Siemens PLC interface. Confirm the supplied lining, drive, controls, and liquid system for the CD120. The manual-discharge description lists 50–180 rpm, while the wider family description lists 60–250 rpm; use the model specification and supplied instructions for the permitted operating range.
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