Tag Archive for: ejector pin

Ejector Sleeve, plays the role as same as ejector pin in plastic injection mold, the different bettween ejector pin is, ejector sleeve is speically use for some deeper boss in the plastic part, because this area that ejector pin is not possible to use, because there is hole in the middle of boss, if not use ejector sleeve, then hose area will not able to demold, or damage at that area.

SKH 51– JIS High Speed Steel (M2)( 1.3343) equivalent
SKD 61– JIS Die Steel (H1)(BH13)( STD61) (1.2344) equivalent

Ejector Sleeve

Ejector Sleeve

65Mn, SUJ2, HSS, etc

58 HRC-62 HRC or depending on materials to be processed

Standards: MISIMI/ DIN/ ISI, etc.
Mounting method: flange fixing
Service: OEM is available, and standard ejector bushings are in stock
Customization is available
Closest tolerance: shaft: 0mm to -0.01mm, head: 0mm to -0.05mm
Polishing: can be close to Ra 0.4, the standard is R0.8

Our ejector sleeve for sale has premium quality, excellent rigidity and high precision; its hardness has been greatly improved by our nitrogen treatment. Moreover, we are pleased to manufacture ejector sleeves with other dimensions, lengths and materials according to your requirements.

More plastic mold components can be produced according to DANLY / DME / HASCO / TOHATSU / FIBRO / AGATHON / STRACK / PEDROTTI / RAYMOND / FUTABA / SANKYO / PROGRESSIVE /RABOURDIN, etc.

Our metal ejector sleeves can be used as high precision plastic injection mold components. The ejector sleeve is hollow and can be used to protect and guide the ejector pin, further extending its lifespan.

Further Information

Digital height gauge, caliper, coordinate measuring machine, projection machine, roughness tester, hardness tester, etc.
QC 1) Technicians do self-check in the production
2) Engineers do spot check in the production
3) QC personnel do inspection after the mass production finished
4) International salesmen with technical know-how do spot check before shipping
Main markets North America, South America, Eastern Europe , West Europe , North Europe, South Europe, South Asia, etc.

Packing and Delivery

Package Coated with anticorrosive oil, packed in carton box;
in bubble wrap, together with QA report.
Delivery By Sea or By Air
Express DHL, FedEx, UPS, TNT, EMS, etc.

Main products
Guide pillars, Guide bushings, Guide post set, Ball cages
Mold ejector pins, Ejector sleeves
Oiless bush, Bronze wear plate
Punch Pin, Die Button, Ball-lock Punch, Punch Retainer.

Contact us to know more detail.