BOMwiki

Tower Crane Product

Sourcing — likely vendors

Real suppliers (🇮🇳 🇸🇬 🇨🇳); price, MOQ & lead time are estimates
VendorHQSpecialtyEst. unit priceMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg $513 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg $669 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg $423 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg $418 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg $667 1,000 pcs 6–10 wks

A hammerhead (saddle-jib) tower crane that self-erects by climbing, lifting loads over a construction site. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Build & assembly graph

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Bill of materials

11 top-level lines · 104 rows shown · 433 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Foundation & Base 3 parts tower-crane-foundation 1× 1 25 assembly
1.1 Base Frame tower-crane-base-frame 1× 1 — part
1.2 Foundation Anchor Bolt tower-crane-anchor-bolt 16× 16 — part
1.3 Base Ballast Block tower-crane-ballast-block 8× 8 — part
2 Tower Mast 3 parts tower-crane-mast 1× 1 41 assembly
2.1 Mast Section tower-crane-mast-section 12× 12 — part
2.2 Climbing / Jacking Cage 4 parts tower-crane-climbing-cage 1× 1 25 assembly
2.2.1 Climbing Frame tower-crane-climbing-frame 1× 1 — part
2.2.2 Hydraulic Climbing Cylinder tower-crane-hydraulic-cylinder 2× 2 — part
2.2.3 Stator Assembly 3 parts + deeper › stator-assembly 1× 1 3 assembly
2.2.4 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 1 19 assembly
2.3 Fastener Set fastener-set 4× 4 — part
3 Slewing Unit 3 parts tower-crane-slewing-unit 1× 1 140 assembly
3.1 Slew Ring Bearing 3 parts tower-crane-slew-ring 1× 1 83 assembly
3.1.1 Slew Ring Gear tower-crane-slew-ring-gear 1× 1 — part
3.1.2 Ball Bearing ball-bearing 80× 80 — part
3.1.3 Oil Seal oil-seal 2× 2 — part
3.2 Slewing Drive 6 parts tower-crane-slew-drive 2× 2 28 assembly
3.2.1 Stator Assembly 3 parts + deeper › stator-assembly 1× 2 3 assembly
3.2.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 2 19 assembly
3.2.3 Motor Housing motor-housing 1× 2 — part
3.2.4 Gearbox Housing gearbox-housing 1× 2 — part
3.2.5 Helical Gear Pair gear-pair 3× 6 — part
3.2.6 Encoder encoder 1× 2 — part
3.3 Slewing Platform tower-crane-slew-platform 1× 1 — part
4 Jib (Boom) 4 parts tower-crane-jib 1× 1 12 assembly
4.1 Jib Section tower-crane-jib-section 6× 6 — part
4.2 Pendant Tie Bar tower-crane-tie-bar 4× 4 — part
4.3 Rope Sheave tower-crane-sheave 1× 1 — part
4.4 Limit Switch limit-switch 1× 1 — part
5 Counter-Jib & Counterweights 3 parts tower-crane-counter-jib 1× 1 8 assembly
5.1 Counter-Jib Frame tower-crane-counter-jib-frame 1× 1 — part
5.2 Concrete Counterweight tower-crane-counterweight 6× 6 — part
5.3 Apex Tower (A-frame) tower-crane-apex-tower 1× 1 — part
6 Hoisting Mechanism 3 parts tower-crane-hoist-mechanism 1× 1 39 assembly
6.1 Hoist Winch 8 parts tower-crane-hoist-winch 1× 1 30 assembly
6.1.1 Stator Assembly 3 parts + deeper › stator-assembly 1× 1 3 assembly
6.1.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 1 19 assembly
6.1.3 Motor Housing motor-housing 1× 1 — part
6.1.4 Gearbox Housing gearbox-housing 1× 1 — part
6.1.5 Helical Gear Pair gear-pair 3× 3 — part
6.1.6 Hoist Drum tower-crane-hoist-drum 1× 1 — part
6.1.7 Holding Brake tower-crane-brake 1× 1 — part
6.1.8 Encoder encoder 1× 1 — part
6.2 Hoist Wire Rope tower-crane-hoist-rope 1× 1 — part
6.3 Sheave Block 2 parts tower-crane-sheave-block 2× 2 4 assembly
6.3.1 Rope Sheave tower-crane-sheave 2× 4 — part
6.3.2 Ball Bearing ball-bearing 2× 4 — part
7 Trolley Mechanism 3 parts tower-crane-trolley-mechanism 1× 1 36 assembly
7.1 Trolley 3 parts tower-crane-trolley 1× 1 11 assembly
7.1.1 Trolley Frame tower-crane-trolley-frame 1× 1 — part
7.1.2 Ball Bearing ball-bearing 8× 8 — part
7.1.3 Rope Sheave tower-crane-sheave 2× 2 — part
7.2 Trolley Winch 3 parts tower-crane-trolley-winch 1× 1 24 assembly
7.2.1 Stator Assembly 3 parts + deeper › stator-assembly 1× 1 3 assembly
7.2.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 1 19 assembly
7.2.3 Helical Gear Pair gear-pair 2× 2 — part
7.3 Trolley Rope tower-crane-trolley-rope 1× 1 — part
8 Hook Block 4 parts tower-crane-hook-block 1× 1 6 assembly
8.1 Load Hook tower-crane-hook 1× 1 — part
8.2 Rope Sheave tower-crane-sheave 2× 2 — part
8.3 Hook Swivel tower-crane-swivel 1× 1 — part
8.4 Ball Bearing ball-bearing 2× 2 — part
9 Operator Cab 5 parts tower-crane-operator-cab 1× 1 16 assembly
9.1 Cab Shell tower-crane-cab-shell 1× 1 — part
9.2 Seat Assembly 5 parts seat-assembly 1× 1 7 assembly
9.2.1 Seat Frame seat-frame 1× 1 — part
9.2.2 Seat Foam seat-foam 2× 2 — part
9.2.3 Seat Cover seat-cover 1× 1 — part
9.2.4 Seat Motor seat-motor 2× 2 — part
9.2.5 Seat Heater Mat seat-heater 1× 1 — part
9.3 Control Joystick 3 parts tower-crane-joystick 2× 2 3 assembly
9.3.1 Joystick Grip tower-crane-joystick-grip 1× 2 — part
9.3.2 Encoder encoder 1× 2 — part
9.3.3 Bare PCB pcb-bare 1× 2 — part
9.4 LCD Panel lcd-panel 1× 1 — part
9.5 Microcontroller mcu 1× 1 — part
10 Electrical System 8 parts tower-crane-electrical 1× 1 96 assembly
10.1 VFD Drive 3 parts tower-crane-vfd-drive 3× 3 8 assembly
10.1.1 IGBT Power Module igbt-module 6× 18 — part
10.1.2 Bare PCB pcb-bare 1× 3 — part
10.1.3 Microcontroller mcu 1× 3 — part
10.2 Control Panel 4 parts tower-crane-control-panel 1× 1 22 assembly
10.2.1 Bare PCB pcb-bare 2× 2 — part
10.2.2 Microcontroller mcu 2× 2 — part
10.2.3 Relay relay 10× 10 — part
10.2.4 Connector connector 8× 8 — part
10.3 Slip Ring Assembly 2 parts tower-crane-slip-ring 1× 1 14 assembly
10.3.1 Slip Ring Brush tower-crane-slip-ring-brush 12× 12 — part
10.3.2 Ball Bearing ball-bearing 2× 2 — part
10.4 Load Moment Indicator 4 parts tower-crane-load-moment-indicator 1× 1 4 assembly
10.4.1 Load Cell tower-crane-load-cell 1× 1 — part
10.4.2 Encoder encoder 1× 1 — part
10.4.3 Bare PCB pcb-bare 1× 1 — part
10.4.4 Microcontroller mcu 1× 1 — part
10.5 Anemometer tower-crane-anemometer 1× 1 — part
10.6 Limit Switch limit-switch 6× 6 — part
10.7 Wire Bundle wire-bundle 1× 1 — part
10.8 Connector connector 24× 24 — part
11 Access Ladders & Platforms 4 parts tower-crane-access 1× 1 14 assembly
11.1 Access Ladder tower-crane-ladder 1× 1 — part
11.2 Rest Platform tower-crane-rest-platform 3× 3 — part
11.3 Guard Rail tower-crane-guard-rail 8× 8 — part
11.4 Fastener Set fastener-set 2× 2 — part