Heavy Duty Forged Steel Wire Rope Drum Overhead Bridge Crane Hoisting Drum Custom Q345B Welded Rope Drum For Double Girder Overhead Crane

Product Description

1. High Strength Raw Material
   
   
   Optional Q235B, Q345B, 45# forged steel and cast steel. Reasonable wall thickness design, anti-deformation under heavy load, suitable for continuous heavy-duty working conditions.
2. CNC Precision Machined Rope Grooves
   
   
   Accurate spiral rope groove processing, effectively prevent wire rope jumping, stacking and abrasion, greatly extend wire rope service life. Manufactured comply with GB/T24816 & DIN15021 standard.
3. Customizable Structure
   
   
   Support customized diameter, length, shaft hole, spline, flange size according to customer drawings. Welded type and integral forging type optional.
4. Strict Quality Inspection
   
   
   Raw material inspection → rough machining → finish machining → groove processing → nondestructive testing → painting; Each product can provide test report on request.
5. Anti-corrosion Surface Treatment
   
   
   Shot blasting + anti-rust primer + finish paint; Hot-dip galvanizing available for humid and corrosive environment.

• Material: Q235B, Q345B, 45# Forged Steel, Cast Steel
• Drum Outer Diameter: φ250mm ~ φ1200mm
• Effective Length: 500mm ~ 6000mm
• Matching Crane Load: 5T,10T,16T,20T,32T,50T,80T,100T,160T,200T
• Working Grade: M3, M4, M5, M6, M7, M8
• Processing: OEM, ODM, Customized by Drawings
• Paint: Industrial Anti-rust Coating

1. Support drawing customization, accept non-standard size
2. Professional engineering team provide technical parameter consultation
3. Short lead time for standard models
4. Third-party inspection support before shipment
5. Complete spare parts matching service for crane whole set
   

   Rated Capacity	Recommended Drum OD	Matching Wire Rope	Suggested Material	Working Class Suggestion
   5T	φ300~350mm	φ11~13mm	Q235B Welded	M3-M5
   10T	φ400~500mm	φ14~16mm	Q235B / Q345B	M4-M6
   16T/20T	φ500~650mm	φ18~22mm	Q345B Welded	M5-M6
   32T	φ650~800mm	φ22~26mm	Q345B	M5-M7
   50T~80T	φ700~900mm	φ28~36mm	Q345B / Forged Steel	M6-M7
   100T~200T	φ800~1200mm	φ36~50mm	45# Forged / Cast Steel	M6-M8

   
   
   
   
   Q1: Can you produce according to my drawings?

   
   

   A: Yes, we accept OEM & customized production based on your technical drawings.
   
   
   Q2: What information do I need to offer for quotation?

   
   

   A: Drum diameter, effective length, wire rope diameter, material requirement, inner shaft hole/spline size, working load.
   
   
   Q3: What is your delivery time?

   
   

   A: Standard models: 7~15 working days; Custom non-standard products:15~30 working days.
   
   
   Q4: What kind of packing?

   
   

   A: Packed by plastic wrap + wooden case or wooden pallet for sea transportation.