Steven

Steven

Structure of Injection Mold

Structure of Injection Mold A mold is made from various parts, including plates, pins, bushings, pillars, ejectors, and many other pieces of equipment that serve a number of purposes. In Figure 1, the locations of the basic items that comprise the…

5 Ejection Methods For Plastic Mold

Plastic Mould Ejection Injection moulding compounds exhibit a certain amount of shrinkage,i.e., in a cooled condition, the volume is somewhat smaller than in a heated condition. If parts with accurate dimensions are needed, allowances must be made for this shrinkage…

mold surface treatment

  Mold surface treatment technology In addition to the reasonable cooperation of the steel  strength and toughness, its surface properties are critical to the work performance and service life of the mold. These surface properties refer to: wear resistance, corrosion…

Undercuts and Draft

Undercuts Modern molding practice dictates certain principles of design which should be observed if molded articles are to be produced successfully. Most elementary is the fact that the piece must be easily removed from the mold after it has been…

Flash Lines

Flash Lines Flash in injection molding refers to excess plastic material that is extruded beyond the boundaries of the intended part. This excess material can be found in small gaps or seams between different sections of the mold or along…