Category: Automakers

A Tricky Bolt Is Not For Every Nut

2023
Video: A Tricky Bolt Is Not For Every Nut
Video: Nut & Bolt Magic trick. Revealed. Learn Magic easy ! 2023, February
A Tricky Bolt Is Not For Every Nut
A Tricky Bolt Is Not For Every Nut
Anonim

They decided to do without thread in the aluminum engine blocks. More precisely, without an operation to cut it. No, fortunately it didn’t come to hammering bolts with a hammer, but …

Arnold Umformtechnik analyzed the economics of threaded connections and found that the cost of bolts and nuts is only 8%, and 50% is spent on drilling and threading. A considerable 20% goes to the salary of the staff with “taps” in their hands, finally, the tools themselves eat up another 8%.

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The new Taptite 2000 bolts can rightfully be called self-tapping screws: their cunning shape - the so-called “trilobular” - the thread itself “cuts the nut” in the blind holes of the head and on the cylinder block itself, which was made at the casting stage. The connection is solid, and costs 65% less. This is if you tighten such a “bolt tap” manually. And when using the robot, the savings reach 80%!

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