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Standard parts |
Retaining screws (securing covers on cases)
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Retaining screw arrangement belongs to miscellaneous in tooling design. This simple design idea will save us from wasted time during inspection, cleaning and maintaining of large, multi-part and complicated fixtures. |
Dust protectors
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The condition of equipment is vital for manufacturing. One crucial parameter is to keep dust, chips and dirt out from sliding surfaces (shafts, sliders, etc.) in order to prevent wear corrosion and breaks of the mating parts. This article describes some simple solutions for these problems. |
Trigger (finger clench grip)
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Triggers or finger clench grips are very common between manual control actuators. Triggers are useful as stand alone components or as parts of more complex ones. This article describes design data and principles when designing triggers. |
Holding an extension spring on a lever arm
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In designing high speed machinery we use cam actuated lever arms to provide specific motion (rocking mechanisms). Cam actuated lever arms maintain constant contact with cams through cam followers and strong springs. This article describes how to hold an extension spring on such lever arms. |
Handle
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Handles are frequently used in hand-operated devices (clamps, fixtures).Although there are many standard (commercial) configurations for handles and knobs it is a good practice to have some handle design in your archives. |
Keyway for square-ended key
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Keys are usually made from stock size rectangular bar (structural steel). Rectangular bars produce square-ended keys which could bind at the closed end of a round-ended keyway. How to make them not to bind; |
Protection split bushing
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Often in precision assembly (especially in gauging) we need to secure metrology equipment or precision components (which often disassembled) by means of a set screw direct clamping. This kind of clamping (tightening directly with a screw) causes surface deformation, burs and craters. |
A beveled (rocking) washer equalizes form inaccuracies
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Often in precision assembly (especially in tooling) we find difficulties to tighten components with form inaccuracies. In order to minimize total inaccuracies we have to grind all surfaces, which in turn increases the cost. |
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