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Speed Control

Assembly

An electronic regulator or variable-frequency drive for AC induction motors, allowing an operator to dial in polishing speed from slow pad-placement to high-speed buffing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Speed Control parts and their functions

5 top-level parts · 19 parts in total · full bill of materials below
Speed Control parts diagram: 1 speed controller IC, 2 control PCB, 3 speed dial, 4 SMD passive (R/C/L), 5 thermal fuse. 19 parts in 5 top-level items.
Speed Control parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Speed Controller IC 1× PWM or SCR regulator IC
2 Control PCB 1× Control circuit board
3 Speed Dial 1× Speed dial potentiometer
4 SMD Passive (R/C/L) 15× Filter and timing capacitors, resistors
5 Thermal Fuse 1× Overheat safety fuse

3D model

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Build & assembly graph

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Bill of materials for Speed Control

5 top-level lines · 5 rows shown · 19 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Speed Controller IC dap-speed-controller-ic 1× 1 · part
2 Control PCB dap-control-pcb 1× 1 · part
3 Speed Dial dap-dial-potentiometer 1× 1 · part
4 SMD Passive (R/C/L) smd-passives 15× 15 · part
5 Thermal Fuse thermal-fuse 1× 1 · part

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Where the speed control is used

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

Used 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
VendorHQSpecialtyMOQLead 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 Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks