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Rear Drum Unit

Assembly

Driven and vibratory rear drum, mirror of the front unit, for full tandem compaction. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Rear Drum Unit parts and their functions

7 top-level parts · 84 parts in total · full bill of materials below
Rear Drum Unit parts diagram: 1 drum shell, 2 eccentric weight shaft, 3 vibrator motor, 4 drum drive reduction, 5 isolation mount, 6 drum scraper, 7 ball bearing. 84 parts in 7 top-level items.
Rear Drum Unit 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 Shell 3 parts 1× Rolled steel drum shell with end plates
2 Eccentric Weight Shaft 4 parts 1× Eccentric weight shaft generating vibration
3 Vibrator Motor 3 parts 1× Hydraulic motor spinning the eccentric shaft
4 Drum Drive Reduction 6 parts 1× Drive motor with planetary reduction
5 Isolation Mount 8× Rubber isolation mounts between drum and yoke
6 Drum Scraper 2 parts 2× Spring-loaded scraper bars
7 Ball Bearing 2× Drum support bearings

3D model

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Build & assembly graph

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Bill of materials for Rear Drum Unit

7 top-level lines · 33 rows shown · 84 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Drum Shell 3 parts tandem-vibratory-roller-drum-shell 1× 1 5 assembly
1.1 Drum Shell Cylinder tandem-vibratory-roller-shell-cylinder 1× 1 · part
1.2 Drum End Plate tandem-vibratory-roller-drum-end-plate 2× 2 · part
1.3 Oil Seal oil-seal 2× 2 · part
2 Eccentric Weight Shaft 4 parts tandem-vibratory-roller-eccentric-shaft 1× 1 7 assembly
2.1 Eccentric Weight tandem-vibratory-roller-eccentric-weight 2× 2 · part
2.2 Eccentric Shaft Core tandem-vibratory-roller-shaft-core 1× 1 · part
2.3 Ball Bearing ball-bearing 2× 2 · part
2.4 Oil Seal oil-seal 2× 2 · part
3 Vibrator Motor 3 parts tandem-vibratory-roller-vibrator-motor 1× 1 26 assembly
3.1 Servo Motor 4 parts servo-motor 1× 1 24 assembly
3.1.1 Stator Assembly 3 parts + deeper › stator-assembly 1× 1 3 assembly
3.1.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 1 19 assembly
3.1.3 Encoder encoder 1× 1 · part
3.1.4 Motor Housing motor-housing 1× 1 · part
3.2 Drive Coupling tandem-vibratory-roller-drive-coupling 1× 1 · part
3.3 O-Ring Set oring-set 1× 1 · part
4 Drum Drive Reduction 6 parts tandem-vibratory-roller-drum-drive 1× 1 30 assembly
4.1 Servo Motor 4 parts servo-motor 1× 1 24 assembly
4.1.1 Stator Assembly 3 parts + deeper › stator-assembly 1× 1 3 assembly
4.1.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 1 19 assembly
4.1.3 Encoder encoder 1× 1 · part
4.1.4 Motor Housing motor-housing 1× 1 · part
4.2 Planetary Gear Set tandem-vibratory-roller-planetary-set 1× 1 · part
4.3 Gearbox Housing gearbox-housing 1× 1 · part
4.4 Helical Gear Pair gear-pair 1× 1 · part
4.5 Ball Bearing ball-bearing 2× 2 · part
4.6 Oil Seal oil-seal 1× 1 · part
5 Isolation Mount tandem-vibratory-roller-isolation-mount 8× 8 · part
6 Drum Scraper 2 parts tandem-vibratory-roller-drum-scraper 2× 2 · part
6.1 Scraper Blade tandem-vibratory-roller-scraper-blade 1× 2 · part
6.2 Coil Spring coil-spring 2× 4 · part
7 Ball Bearing ball-bearing 2× 2 · part

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Where the rear drum unit 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