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Nanjing Metalli Industrial Co., Ltd.

Bogie Liner, Bolster Liner, Bogie Bowl manufacturer / supplier in China, offering Metal Spinning Part High Manganese Steel Bolster Bowl Liner, Hot Sale Aluminum Coil for Nocolok, Best Performance Computer / PC CPU Water Cooling Plate and so on.

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Supplier Homepage Product Sheet metal fabrication parts Bogie bowl liner Metal Spinning Part High Manganese Steel Bolster Bowl Liner

Metal Spinning Part High Manganese Steel Bolster Bowl Liner

FOB Price: US $50 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $50/ Piece
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Port: Shanghai, China
Production Capacity: 10000 PCS Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Money Gram

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Basic Info
  • Model NO.: wbl 1002
  • Processing Type: Metal Spinning
  • Mould: Multistep Progressive Dies
  • Fine Blanking: Double Acting
  • Industry: Metal Stamping Parts
  • Customized: Customized
  • Outer Diameter: Max 600 mm
  • Wall Thickness: 4 to 10 mm
  • Outer Chamfer Radius: Min 6 mm
  • Surface Finish: Suitable Surface Finish as Per Requirements
  • Application: Wear Components for Railroad and Truck
  • Origin: Jiangsu, China
  • Type: Cold Stamping
  • Material: High Managanese Steel
  • Surface Processing: Suitable Surface Finish
  • Process: Forming Process
  • Tolerances: 0.1mm
  • Metal Material: Austenitic 11-14% Manganese Steel
  • Height: Max 200 mm
  • Inner Chamfer Radius: Min 4 mm
  • Surface Roughness: 3.2 Um to 6.4 Um
  • Packing Way: Best Suitable Packing Way
  • Transport Package: Wooden Case
  • HS Code: 8474900000
Product Description
1. Material
No.Material Description
1.1austenitic 11-14% manganese
2. Product size and tolerance
2.1Length/Width/Outer Diameter (mm)≤600, or custom±0.3
2.2Wall Thickness (mm)4  to 10, or customMax ±0.4
2.4Height (mm)≤200 or customMax ±1.5
2.5Inner chamfer radius (mm)Min 4Max ±1
2.6Outer chamfer radius (mm)Min 6Max ±1
3. Chemical composition for some typical metals
No.Steel NumberChemical Composition (%)
4. Mechanical properties for some typical metals
No.Steel NumberYield Strength
Tensile Strength
Impact at 20ºC
5. Surface finish and other properties
5.1Surface finishShot-blasting,powder coating,glavanization coating,electrophoretic treatment,etc.
5.2Surface roughness (Ra)As per customer's requirements
5.3Manufacturing Process BriefMaterial preparation→Deep drawing (metal spinning) →Reshaping→Surface treatment
6. Packing,Shipping and others
6.1PackingTo be packed in wooden crate with protection film
6.2MarkingEach box to be legibly marked with the name of the manufacturer or supplier, the designation of material,condition,dimensions and weight
6.3Shipping toolsShip goods by van to departune port then by sea to desitination port
7.Quality management and spot management
7.1Quality control1. Quality assurance
a. Incoming material quality assurance; b. Process quality assurance; c. First sample quality assurance; d. Final quality assurance.
2. Process management-The right results are from the right process
a. Production process card control; b. Standard operational procedure;c.Job certification;d. Quality chart monitor.
3. Equipment and facility management
a. Periodic maintenance; b.Preventative maintenance.
4. Mold management
a. Mold life management; b.Periodic and preventative maintenance; c. Periodic inspection.
7.2Inspection ToolsAltimeter,Vernier caliper,Micrometer,3D coordinate measuring instrument
7.3Spot management"5S" management (sort,set in order,shine,standard,sustainable).

8. Brief of  metal deep drawing, stamping and metal spinning

Deep drawing

Deep drawing is a sheet metal forming process in which a sheet metal blank is radially drawn into a forming die by the mechanical action of a punch. It is thus a shape transformation process with material retention. The process is considered "deep" drawing when the depth of the drawn part exceeds its diameter. This is achieved by redrawing the part through a series of dies. The flange region (sheet metal in the die shoulder area) experiences a radial drawing stress and a tangential compressive stress due to the material retention property. These compressive stresses (hoop stresses) result in flange wrinkles (wrinkles of the first order). Wrinkles can be prevented by using a blank holder, the function of which is to facilitate controlled material flow into the die radius.

Stamping (also known as pressing) is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape. Stamping includes a variety of sheet-metal forming manufacturing processes, such as punching using a machine press or stamping press, blanking, embossing, bending, flanging, and coining.[1] This could be a single stage operation where every stroke of the press produces the desired form on the sheet metal part, or could occur through a series of stages. The process is usually carried out on sheet metal, but can also be used on other materials, such as polystyrene.
Stamping is usually done on cold metal sheet. See Forging for hot metal forming operations.

Metal spinning
Metal spinning, also known as spin forming or spinning or metal turning most commonly, is a metalworking process by which a disc or tube of metal is rotated at high speed and formed into an axially symmetric part.[1] Spinning can be performed by hand or by a CNC lathe.
Metal spinning does not involve removal of material, as in conventional wood or metal turning, but forming (moulding) of sheet material over an existing shape.
Metal spinning ranges from an artisan's specialty to the most advantageous way to form round metal parts for commercial applications. Artisans use the process to produce architectural detail, specialty lighting, decorative household goods and urns. Commercial applications include rocket nose cones, cookware, gas cylinders, brass instrument bells, and public waste receptacles. Virtually any ductile metal may be formed, from aluminum or stainless steel, to high-strength, high-temperature alloys. The diameter and depth of formed parts are limited only by the size of the equipment available.
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