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Power Drum Mechanism

Assembly

Calibrated rotating drum adjusting lens compensation from −30 to +30 diopters via mechanical focusing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Power Drum Mechanism parts and their functions

5 top-level parts · 5 parts in total · full bill of materials below
Power Drum Mechanism parts diagram: 1 drum spindle, 2 compensating lens carousel, 3 vernier dial, 4 drum stepper motor, 5 diopter readout display. 5 parts in 5 top-level items.
Power Drum Mechanism parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Drum Spindle 1× Precision-ground steel spindle with ball bearings and indexing detents
2 Compensating Lens Carousel 1× Motorized carousel holding 3–5 precision compensating lenses
3 Vernier Dial 1× Micrometer dial reading 0.25 D increments within each major drum position
4 Drum Stepper Motor 1× Stepper motor rotating main drum to adjacent lens positions
5 Diopter Readout Display 1× Digital or mechanical dial displaying current drum position and diopter value

3D model

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Build & assembly graph

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Bill of materials for Power Drum Mechanism

5 top-level lines · 5 rows shown · 5 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Drum Spindle lensmeter-drum-spindle 1× 1 · part
2 Compensating Lens Carousel lensmeter-compensating-lens-holder 1× 1 · part
3 Vernier Dial lensmeter-vernier-dial 1× 1 · part
4 Drum Stepper Motor lensmeter-drum-motor 1× 1 · part
5 Diopter Readout Display lensmeter-drum-position-indicator 1× 1 · part

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Where the power drum mechanism 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