how to ensure sound fitting of parting line after mold closing
to ensure sound fitting of parting line after mold closing, a cuttings shoot of the guide pillar and guide bush should be made on the parting line; […]
the surface roughness for the working part of the guide pillar in a mold
the surface roughness for the working part of the guide pillar takes Ra0.0004mm.(micron order Ra 0.0002mm), […]
clearance fit is adopted between the guide pillar and guide bush in a mold
clearance fit is adopted between the guide pillar and guide bush, with the quality of fit usually as H7/h5(G6/h5 or H6/h5 for high quality of fit and H8/f8 or H9/f9 for low quality of fit) and the slip length usually takes 1.5—2 times of the mating diameter, […]
the guide pillar can be directly fitted with pilot hole on the plate in some molds
for molds with small batch of production and of low precision, the guide pillar can be directly fitted with pilot hole on the plate. The hole should be generally made into through hole, […]
How to understand a truly automated CNC machining
Every mold manufacturer is searching for ways to increase productivity, and sometimes that means examining your current processes and changing the way you work. Despite what many think about the dreaded “change” word, if change is implemented properly it can mean less work, not more. An area in which you can experience dramatic results with [...]
How to design a mold with maintainability
DFM. No, not Designed for Manufacturability, Designed for Maintainability. Every mechanical apparatus will eventually need maintenance; it’s a fact of life. Knowing this should be all the impetus needed to motivate anyone with a vested interest to give more than just passing thought to the design of injection mold tooling. The understanding that tools will [...]
How to choose Standard slide assemblies
Standard slide assemblies have been available to molders and moldmakers since 1991. The design and production of a standard component is critical to the success of the product. Not only does the design have to be very reliable and proven, it also has to be versatile enough to fit many different applications. That is the [...]
Your mold shop should plan workholding
Planned workholding, in its simplest form, is planning in advance how the workholding will be accomplished prior to the job getting to the machine. In the more complex form, all workholding for each machine is planned at the design stage with documentation that will provide the plan for the workholding at each operation. Planned workholding [...]
New injection simulation softwares are getting advances
High quality plastics components are becoming an increasingly important part of the perceived quality of products. An important part of this high quality perception is a flawless and often high gloss surface finish. Traditional methods such as surface coatings and other secondary operations are often expensive and impractical for high-production volumes. In many cases, the [...]
New CAD technology change design ideal
Technology—including CAD technology—has changed dramatically since the 1980s. As soon as new technology is developed, it is integrated into products and our way of doing business. In the manufacturing world, CAD software versions are released at regular intervals with product design and manufacturing processes integrating the new CAD technology as soon as it becomes available. [...]