I am ready to make a mechanical drawing but have issues

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SUMMARY

The discussion centers on the challenges of creating a mechanical drawing that incorporates both a grooved bearing and a linear bearing on the same rod without slop. The user seeks clarification on "press fit" tolerances, specifically asking for the appropriate rod size for a 0.5-inch hole to achieve a press fit and a locating fit. Resources such as Engineers Edge and the Machinery Handbook are recommended for understanding various types of fits and tolerances, including sliding, interference, and force fits.

PREREQUISITES
  • Understanding of mechanical tolerances
  • Familiarity with bearing types and applications
  • Knowledge of press fit and locating fit concepts
  • Basic skills in mechanical drawing and design
NEXT STEPS
  • Research "press fit tolerance calculations" for precise rod sizing
  • Explore "types of mechanical fits" to understand sliding and interference fits
  • Study "bearing selection criteria" for optimal performance
  • Consult the "Machinery Handbook" for comprehensive mechanical engineering guidelines
USEFUL FOR

Mechanical engineers, design engineers, and students in mechanical engineering who are involved in creating mechanical drawings and understanding bearing applications.

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One question is, I need a rod that both has grooved bearing tightly fit and a linear bearing on the same rod with no slop. Is this possible? What is a "press fit" tolerance? If I have a 0.5 hole, what size rod will be press fit? What size will locate without pressing? Boy I wish I had an engineering friend that I trusted. Thank-you.
 
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I have encountered a vertically oriented hydraulic cylinder that is designed to actuate and slice heavy cabling into sections with a blade. The cylinder is quite small (around 1.5 inches in diameter) and has an equally small stroke. The cylinder is single acting (i.e. it is pressurized from the bottom, and vented to atmosphere with a spring return, roughly 200lbs of force on the spring). The system operates at roughly 2500 psi. Interestingly, the cylinder has a pin that passes through its...

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