Oil-Free Pump Unit Assembly
Direct-driven twin-cylinder piston pump compressing air without lubricant, using dry-running polymer piston rings on coated cylinder bores. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
8 top-level lines · 20 rows shown · 37 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Coated Cylinder | dental-compressor-cylinder | 2× | 2 | — | part |
| 2 | Dry-Running Piston | dental-compressor-piston | 2× | 2 | — | part |
| 3 | Valve Plate | dental-compressor-valve-plate | 2× | 2 | — | part |
| 4 | Crankcase | dental-compressor-crankcase | 1× | 1 | — | part |
| 5 | Pump Drive Motor 5 parts | dental-compressor-pump-motor | 1× | 1 | 26 | assembly |
| 5.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 5.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | — | part |
| 5.1.2 | Copper Winding | copper-winding | 1× | 1 | — | part |
| 5.1.3 | Slot Insulation | stator-insulation | 1× | 1 | — | part |
| 5.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 5.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | — | part |
| 5.2.2 | Rotor Core | rotor-core | 1× | 1 | — | part |
| 5.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | — | part |
| 5.2.4 | Ball Bearing | ball-bearing | 1× | 1 | — | part |
| 5.3 | Motor Housing | motor-housing | 1× | 1 | — | part |
| 5.4 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 5.5 | Cooling Fan Wheel | dental-compressor-fan-wheel | 1× | 1 | — | part |
| 6 | Discharge Cooling Line | dental-compressor-head-cooler | 1× | 1 | — | part |
| 7 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 8 | Fastener Set | fastener-set | 1× | 1 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $5–$2k · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| kbl.co.in ↗ | Pune, IN | Pumps & fluid systems | 200 units | 6–10 wks |
| leo.com.cn ↗ | Taizhou, CN | Pumps | 200 units | 6–10 wks |
| shaktipumps.com ↗ | Pithampur, IN | Pumps | 200 units | 6–10 wks |
| cnppumps.com ↗ | Hangzhou, CN | Pumps | 200 units | 6–10 wks |
| rotopumps.com ↗ | Noida, IN | Pumps | 200 units | 6–10 wks |