Dongguan Kingrui Precision Mould Co.,LTD
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Precision SKD61 Core Pins And Sleeves Used In Progressive Die Ejector
Ejector Pin and Sleeves Introduction
1. Standard: Non standard.
2. Material: SKD11 or SKD61
3. Diameter size : above 0.6mm, it depends on your drawing design.
4. Length size : 100mm-900mm, it depends on your drawing design.
5. Hardness:
| Material | Inner hardness | Surface Hardness | Heat Treatment
|
| SKD61 | HRC43°±2° | HV1000°±100° | Nitrided
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| HRC52°±2° | HRC52°±2° | Vacuumed
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| Material | Inner Hardness | Surface Hardness | Heat Treatment
|
| SHK51 | HRC58°~60° | HRC58°~60° | Vacuumed |
6. Processing: Internal- external lapping and discharging processing.
Ejector Pin and Sleeves Specifications
| Material Available | SKD61, 1.2344, KM-2, M4, APS-60, DC53, 42CrMo4, Stainless steel, Brass and Tungten carbide etc.,
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| Tolerance | 0.005mm
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| Hardness | Depends on material ( HRC60~94)
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| Machine Type | Plastic Injection
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| Finish | Highly mirror polished, DLC coating, PVD coating and so on
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| MOQ | 1 piece, we can accept
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| Size | According to your drawings design.
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| Customized | Yes. it includes material, mold part size, tolerance, packaging and shipping and so on.
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| Package | Anti-rust oil + PE film + Plastic box + Carton. If need any special packing please inform us
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| Delivery Time | 5-15 Working days, depends on the quantity the order. Express by DHL, UPS, FEDEX, TNT or Ocean Shipping etc.
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| Trade Term | Ex-works, FOB Shenzhen, CIF etc.,
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| Payment Term | By T/T(Deposit 50% and Balance 50% after shipment against the copy of doc.
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Material & Industry Information
| Material name | Hardness (HRC) | Features | Function | Heat treatment
|
| SKD-11 | 58~60HRC | High wear-resisting and purity, have good hardenability and machinability. | Widely used in metal stamping mould parts.
| 200℃ |
| SKH-51(HSS) | Above 63 HRC | Very sharpe, a kind of alloy steel have complicated elements, which included tungsten/ molybdenum/chromium/ vanadium and cobalt carbide forming elements etc., | Used in various of cutting tools / cold-punching mould and / embossing die / Punch head etc.,
| 860~880℃ |
| DC53 | 62~63HRC | Good hardenability and machinability. | Used in stamping mould/punch head | 520~530℃ |
| CK45 | 55HRC | High quality carbon structural steel, hardness is not high but easy for machining. | widely used as a tip, guide pin, etc., but must have heat treatment.
| 100℃ |
| 42CrMo4 | Above 55HRC | High strength, hardenability and good toughness. Easy for polishing, and can have electroplating. | Widely used in plastic injection mould parts.
| 860℃ |
| Tungten Carbide | 90-94HRC | Have high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and a series of excellent performance. | Widely used in metal stamping mould parts, such as punch head.
| 1000℃ |
Quality Control
1. We have self- governed inspection Dept.
2. All our quality inspection department staff have more than 5 years detection experience.
3. Guarantee each parts have inspected before shipping.
4. Advanced measurement equipment.
5. We can supply quality inspection report fo you.
Waiting for your kindly inquires.