Telescoping Boom Assembly
Nested steel boom sections extended by hydraulic cylinders and raised by a luffing cylinder. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
6 top-level lines · 17 rows shown · 50 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Base Boom Section | rtc-boom-base | 1× | 1 | — | part |
| 2 | Telescoping Boom Section | rtc-boom-section | 3× | 3 | — | part |
| 3 | Telescoping Cylinder 4 parts | rtc-extension-cylinder | 2× | 2 | 8 | assembly |
| 3.1 | Cylinder Barrel | rtc-cyl-barrel | 1× | 2 | — | part |
| 3.2 | Cylinder Rod | rtc-cyl-rod | 1× | 2 | — | part |
| 3.3 | O-Ring Set | oring-set | 3× | 6 | — | part |
| 3.4 | Oil Seal | oil-seal | 3× | 6 | — | part |
| 4 | Luffing Cylinder 4 parts | rtc-luffing-cylinder | 1× | 1 | 8 | assembly |
| 4.1 | Cylinder Barrel | rtc-cyl-barrel | 1× | 1 | — | part |
| 4.2 | Cylinder Rod | rtc-cyl-rod | 1× | 1 | — | part |
| 4.3 | O-Ring Set | oring-set | 3× | 3 | — | part |
| 4.4 | Oil Seal | oil-seal | 3× | 3 | — | part |
| 5 | Boom Head 3 parts | rtc-boom-head | 1× | 1 | 10 | assembly |
| 5.1 | Head Sheave | rtc-head-sheave | 3× | 3 | — | part |
| 5.2 | Ball Bearing | ball-bearing | 6× | 6 | — | part |
| 5.3 | Head Frame | rtc-head-frame | 1× | 1 | — | part |
| 6 | Boom Slide Pad | rtc-wear-pad | 12× | 12 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $1–$200 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳JLCPCB jlcpcb.com ↗ | Shenzhen, CN | PCB fabrication | 100 pcs | 2–4 wks |
| 🇨🇳PCBWay pcbway.com ↗ | Shenzhen, CN | PCB fab & assembly | 100 pcs | 2–4 wks |
| scc.com.cn ↗ | Shenzhen, CN | PCB manufacturer | 100 pcs | 2–4 wks |
| shogini.com ↗ | Mumbai, IN | PCB manufacturer | 100 pcs | 2–4 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |