3D preview of Pedal Washing Machine Assembly
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Interactive 3D model of Pedal Washing Machine Assembly

Gears and transmission

Pedal Washing Machine Assembly

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Bounding box
1410.0 × 640.0 × 730.0 mm
Engine
Precision B-rep
Parameters
47
Published
October 15, 2026

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The prompt

The entire pedal-operated washing machine assembly is structured around a horizontal base frame measuring 1300 millimeters in length and 530 millimeters in width, featuring vertical corner pillars standing 725 millimeters high and tied together by 150 millimeters reinforced corner joints. Positioned at the rear of this frame is the sitting chair, which consists of a vertical support post and a horizontal saddle seat adjustable within a height range of 330 to 65.5 millimeters. Working in direct tandem with the chair, the holding frame features twin support pillars standing vertically at a height of 580 millimeters before curving through smooth ninety-degree arcs into a horizontal top crossbar grip. Power is supplied through a horizontal bottom bracket axle that connects to 170 millimeters crank arms rotating in a vertical plane. This mechanical energy is transferred via a horizontal longitudinal chain drive and transmission system that incorporates a variable chainring with a diameter of 7 to 12 and a multi-speed derailleur gear cluster. To smooth out pedaling dead spots, an intermediate smoothing flywheel measuring a diameter of 19 to 23 rotates vertically on the transmission shaft. At the front of the machine, a horizontal mounting platform supports a vertical cylindrical washing drum measuring 600 millimeters in diameter and 600 millimeters in height. Housed inside this drum are vertical internal agitation baffles designed to maximize fluid turbulence, alongside a bottom-mounted drain valve positioned at the lower base for efficient water evacuation.

Parameters

NameValueRange
Base Length1300 mm800 – 2000
Base Width530 mm300 – 1000
Base Beam Height40 mm20 – 100
Base Beam Width40 mm20 – 100
Pillar Height725 mm400 – 1000
Pillar Cross-Section40 mm20 – 80
Corner Joint Size150 mm80 – 250
Seat Height500 mm330 – 655
Seat Post Diameter40 mm20 – 60
Seat Length250 mm150 – 350
Seat Width150 mm100 – 250
Seat Thickness40 mm20 – 60
Holding Frame Height580 mm400 – 800
Holding Post Cross-Section40 mm20 – 60
Top Crossbar Length300 mm200 – 500
Top Crossbar Section40 mm20 – 60
Post Gap300 mm150 – 450
Bottom Bracket X Position100 mm-200 – 400
Bottom Bracket Height200 mm100 – 400
Crank Arm Length170 mm100 – 250
Crank Arm Section25 mm10 – 50
Axle Diameter24 mm10 – 50
Axle Length200 mm100 – 300
Pedal Diameter30 mm20 – 50
Pedal Length30 mm20 – 60
Chainring Diameter250 mm180 – 300
Chainring Thickness10 mm5 – 30
Transmission Shaft X300 mm150 – 500
Transmission Shaft Height280 mm150 – 450
Rear Sprocket Diameter80 mm40 – 200
Derailleur Gears3 mm2 – 7
Flywheel Diameter520 mm480 – 580
Flywheel Thickness50 mm20 – 100
Drum Diameter600 mm400 – 800
Drum Height600 mm400 – 800
Drum Wall Thickness20 mm10 – 40
Drum Bottom Thickness20 mm10 – 40
Drum X Position300 mm200 – 450
Baffle Count4 mm2 – 8
Baffle Radial Length150 mm80 – 250
Baffle Thickness20 mm10 – 40
Baffle Height500 mm300 – 600
Drain Valve Diameter50 mm30 – 80
Drain Valve Height60 mm40 – 100
Platform Length600 mm500 – 800
Platform Width600 mm500 – 800
Platform Height40 mm20 – 80

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

Pedal Washing Machine Assembly - Free CAD Model (STEP, STL) | TextoCAD