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Pinching collet calculation
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Correct design and calculation of a pinching collet will result to a very strong clamping of the workpiece. The main calculation is the one of the clamping sleeve, in particular, the appropriate section area of the compressible collet tab. |
Calculation of screw action forces
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When we apply a tightening torque to a screw the same time this torque is converted to a coaxial (with the screw axis) force. Because of this action screws are used in numerous applications in mechanical engineering. This article describes the basic formulas for screw force calculation. |
Split plate cam
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The split plate cam is common in high speed assembly machinery. It’s easy to adjust and manufacture, therefore we can use it in a large range of applications for various loads. This article describes a problem proof manufacturing procedure for the split plate cam. |
Pinion with a single rectangular tooth
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The pinion with a single rectangular tooth is a simple way to translate rotation to linear movement. Normally is used with a hand lever in order to actuate a plunger or something that requires small movements. This article describes the required data for geometrical design. |
Low friction shaft support
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The low friction shaft support methods described in this article are design versions of the rotating kinematical pair: a simple rotating shaft and its corresponding supports. |
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. |
Lever calculation for pull down clamps
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Levers or lever-operated locks are used in combination with other simple clamps to form more complicated clamping systems like the external pull down clamps. This article describes how we can calculate lever-operated locks. |
Torque transferring methods (solid coupling)
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From small engines to large complicate production units, torque transferring between drive components exists almost in all machines. There are many methods securing components for torque transferring, in this article will be described five versions of radial force transferring (torque) between coaxial components. |
Sprocket tooth form for roller chain
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This article describes how cad designers can create sprocket tooth form for roller chain (per ANSI B29.1-1975). This tooth form depends only to pitch number, number of teeth and nominal roller diameter. With these three parameters and a pattern of the form one can design the exact sprocket form. |
Chamfers and fillets
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Chamfers and fillets are essential to a correct design. Many problems in machining, assembly and operation may appear in case of non-chamfered or non-filleted of part external and internal corners. The examples below cover almost all the design cases, which appears in general mechanical engineering. |
