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Discussion History

Knife Rotor

Assembly

The spinning shaft carrying the moving knives that chop scrap against the bed knives. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Knife Rotor parts and their functions

5 top-level parts · 16 parts in total · full bill of materials below
Knife Rotor parts diagram: 1 rotor shaft, 2 rotor knife, 3 knife holder, 4 ball bearing, 5 flywheel. 16 parts in 5 assemblies.
Knife Rotor parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Rotor Shaft 1× Rotor shaft
2 Rotor Knife 6× Rotor knives
3 Knife Holder 6× Knife holders
4 Ball Bearing 2× Rotor bearings
5 Flywheel 1× Flywheel

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

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Bill of materials for Knife Rotor

5 top-level lines · 5 rows shown · 16 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Rotor Shaft plastic-granulator-machine-rotor-shaft 1× 1 · part
2 Rotor Knife plastic-granulator-machine-rotor-knife 6× 6 · part
3 Knife Holder plastic-granulator-machine-knife-holder 6× 6 · part
4 Ball Bearing ball-bearing 2× 2 · part
5 Flywheel plastic-granulator-machine-flywheel 1× 1 · part

Where the knife rotor is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Plastic Granulator

Sourcing: possible vendors

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 $2–$500. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Inovance
inovance.com ↗ 		Shenzhen, CN Drives & motion control 500 units 10–14 wks
🇮🇳Sona Comstar
sonacomstar.com ↗ 		Gurugram, IN EV driveline & motors 500 units 10–14 wks
🇨🇳Broad-Ocean
broad-ocean.com ↗ 		Zhongshan, CN Electric motors 500 units 10–14 wks
🇸🇬Nidec (Singapore)
nidec.com ↗ 		Singapore Motors, regional ops 500 units 10–14 wks
🇮🇳Bosch India
bosch.in ↗ 		Bengaluru, IN Automotive components 500 units 10–14 wks