Shijiazhuang Jun Zhong Machinery Manufacturing Co., Ltd
| Material | Q355C |
| Delivery Time | About 10-40 days(subject to quantity) |
| Warranty | 1 Year |
| Pitch | 50.4mm |
| Packaging Details | standard wooden case，pallet or as your requirement |
| Payment Terms | L/C,T/T |
| Product Name | Luffing Winch Drum |
| Rotation | Left-Hand |
| Length | 1920mm |
| Supply Ability | Adjustable to orders |
| Model Number | 2518-08010102 |
| Certification | ISO 9001 2015；ISO 45001:2018 ；ISO 14001:2015 |
| Brand Name | LBS |
| Place of Origin | Shijiazhuang City |
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Product Specification
| Material | Q355C | Delivery Time | About 10-40 days(subject to quantity) |
| Warranty | 1 Year | Pitch | 50.4mm |
| Packaging Details | standard wooden case，pallet or as your requirement | Payment Terms | L/C,T/T |
| Product Name | Luffing Winch Drum | Rotation | Left-Hand |
| Length | 1920mm | Supply Ability | Adjustable to orders |
| Model Number | 2518-08010102 | Certification | ISO 9001 2015；ISO 45001:2018 ；ISO 14001:2015 |
| Brand Name | LBS | Place of Origin | Shijiazhuang City |
| High Light | Q355C Luffing Lebus Drum ，Left-hand Double Helix Winch Drum ，LBS Grooved Drum | ||
This Lebus drum is the core load-bearing part for luffing winch of heavy cranes. Made of Q355C low-alloy high-strength steel with good low-temperature toughness, it works reliably outdoors and offshore. It adopts 65° left-hand double-helix Lebus groove for up to 7 layers of wire rope winding. The barrel is preferably rolled from a single steel plate. All butt welds are Grade 1 and inspected by UT & RT NDT. After welding, the drum is stress-relief annealed, then precision machined with final groove finishing to ensure coaxiality and cylindricity. Equipped with rope entry guide and cross-layer transition plates, it comes pre-assembled with full rope anchoring kits. Its right flange can be match-drilled with large gear for high coaxiality. This M4-duty drum is manufactured in accordance with crane national standards for continuous heavy-duty operation.
| Parameter | Value |
| Product Name | Luffing Drum |
| Material | Q355C |
| Pitch | 50.4mm |
| Rotation | Left-Hand |
| Max Wire Rope Winding Layers | 7 Layers |
| Length | 1920mm |
(1)Lebus double helix groove: Enables smooth multi-layer rope transition, prevents rope tangling, jumping and squeezing, extends wire rope service life.
(2)Robust welding & heat treatment: Grade 1 weld with dual NDT inspection. Post-weld stress relief annealing reduces barrel deformation for stable performance.
(3)High precision machining: Tight geometric tolerance control. Match drilling with large gear reduces vibration and protects transmission parts.
(4)Pre-assembled delivery: Rope anchoring kits pre-installed at factory, saving on-site work and eliminating installation risks.
(5)Adapt to harsh environments: Q355C steel with excellent low-temperature toughness, suitable for outdoor, port and offshore salt spray conditions.
(6)Clear maintenance & scrap criteria: Quantified inspection rules simplify equipment management and ensure lifting safety.
(7)Standard-compliant: Manufactured per crane national standards, easy for third-party project acceptance.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2010
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Shijiazhuang Jun Zhong Machinery Manufacturing Co., Ltd, located in shijiazhuang city, hebei province, china, covers an area of more than 80 square meters, the geographical position is superior, transportation is convenient. Factory existing staff more than 3000, more than 600 professional and techn... Shijiazhuang Jun Zhong Machinery Manufacturing Co., Ltd, located in shijiazhuang city, hebei province, china, covers an area of more than 80 square meters, the geographical position is superior, transportation is convenient. Factory existing staff more than 3000, more than 600 professional and techn...
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