I was at a customers facility the other day and they had a problem which is becoming more common with today’s electric molding machines… Joe We bought these fancy, new, direct-drive electric molding machines. Overall, we like them, but we have already snapped three screws and the manufacturer has no idea why this is happening. Do you have any ideas? Note: After further […]
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Routsis Training
Tolerance For Screw Wear
An frequent e-mailer recently asked this question… JM What is the downside to a worn screw? Why should I measure it, and why should I replace it if it is worn beyond tolerance? My Response Each process and company has a different tolerance for wear. A company molding medical devices needs much more control over melting and […]
Explaining the Need for Training
I was recently asked this training-related question… Joan I am having a hard time explain the importance of training to new hires, how might I approach this? My Suggested Verbiage Training plays an important role in the success of any molding facility, and provides benefits to both the employee and employer. It is important that […]
Optimizing Screw Recovery…
I received a question which relates to an issue that many injection molders face… MJ Is there a technique for optimizing recovery speed? My Response Basically, there is a way to optimize recovery speed… but it is a two step process: 1) First, determine the optimal feed zone temperature for your process by performing a feed zone temperature […]
Torque Values For The Clamp Bolts…
I got a multi-part question the other day regarding a couple aspects of mold clamping… Rob Do you have a suggested torque specification for 5/8-11 and 3/4-10 bolts? I know you are suppose to refer to the manufacturers torque specification, but does that apply to a clamp bolt and clamp? The clamp is a lever […]