Grinding Unit
AssemblyRoller mill chamber that reduces beans to the target particle size. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Grinding Unit parts and their functions
7 top-level parts · 123 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Roller Pair 4 parts | 3× | Cracking, intermediate, fine passes |
| 2 | Burr Set 3 parts | 1× | Final fine burr stage |
| 3 | Gap Actuator 3 parts | 2× | Roll gap adjust |
| 4 | Grind Drive Motor 4 parts | 1× | Main grinding motor, 22 kW TEFC. |
| 5 | Chamber Housing | 1× | Cast iron grinding chamber with hinged inspection door. |
| 6 | Scraper Blade | 4× | Spring-loaded blade that clears fines off the roll face. |
| 7 | Cooling Jacket 3 parts | 1× | Limits grind heat |
3D model
No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly
shared across products
atomic part
related product
Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.
Bill of materials for Grinding Unit
7 top-level lines · 35 rows shown · 123 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Roller Pair 4 parts | coffee-grinding-line-roller-pair | 3× | 3 | 11 | assembly |
| 1.1 | Grinding Roller | coffee-grinding-line-grind-roller | 2× | 6 | · | part |
| 1.2 | Ball Bearing | ball-bearing | 4× | 12 | · | part |
| 1.3 | Oil Seal | oil-seal | 4× | 12 | · | part |
| 1.4 | Helical Gear Pair | gear-pair | 1× | 3 | · | part |
| 2 | Burr Set 3 parts | coffee-grinding-line-burr-set | 1× | 1 | 4 | assembly |
| 2.1 | Burr Cone | coffee-grinding-line-burr-cone | 1× | 1 | · | part |
| 2.2 | Burr Ring | coffee-grinding-line-burr-ring | 1× | 1 | · | part |
| 2.3 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 3 | Gap Actuator 3 parts | coffee-grinding-line-gap-actuator | 2× | 2 | 26 | assembly |
| 3.1 | Ball Screw | ball-screw | 1× | 2 | · | part |
| 3.2 | Servo Motor 4 parts | servo-motor | 1× | 2 | 24 | assembly |
| 3.2.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 2 | 3 | assembly |
| 3.2.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 2 | 19 | assembly |
| 3.2.3 | Encoder | encoder | 1× | 2 | · | part |
| 3.2.4 | Motor Housing | motor-housing | 1× | 2 | · | part |
| 3.3 | Gap Sensor | coffee-grinding-line-gap-sensor | 1× | 2 | · | part |
| 4 | Grind Drive Motor 4 parts | coffee-grinding-line-grind-motor | 1× | 1 | 25 | assembly |
| 4.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 4.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | · | part |
| 4.1.2 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 4.1.3 | Slot Insulation | stator-insulation | 1× | 1 | · | part |
| 4.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 4.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | · | part |
| 4.2.2 | Rotor Core | rotor-core | 1× | 1 | · | part |
| 4.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | · | part |
| 4.2.4 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 4.3 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 4.4 | Motor Cooling Fan | coffee-grinding-line-motor-fan | 1× | 1 | · | part |
| 5 | Chamber Housing | coffee-grinding-line-chamber-housing | 1× | 1 | · | part |
| 6 | Scraper Blade | coffee-grinding-line-scraper-blade | 4× | 4 | · | part |
| 7 | Cooling Jacket 3 parts | coffee-grinding-line-cooling-jacket | 1× | 1 | 4 | assembly |
| 7.1 | Jacket Shell | coffee-grinding-line-jacket-shell | 1× | 1 | · | part |
| 7.2 | Coolant Circulator Pump | coffee-grinding-line-coolant-pump | 1× | 1 | · | part |
| 7.3 | O-Ring Set | oring-set | 2× | 2 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the grinding unit is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |