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Screw Type
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Your choices are...
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ACME Screw
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ACME screws have a very specific thread geometry that directly contacts the nut and provides linear motion through direct sliding friction between nut and lead screw. ACME threads are square-topped.
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Ball Screw
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Ball bearings ride in between nut and lead screw. Often minimizes friction and allows for high speed.
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Lead Screw
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Lead screws drive a nut in linear motion via direct contact with the nut. Lead screws often incorporate proprietary screw and nut geometry and materials and can be configured in zero-backlash arrangements.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Manufacturing Process
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Your choices are...
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Rolled Thread
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Rolled screws are cold rolled from a blank. Typically, this produces a screw with a .004 inch per foot accuracy.
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Milled Thread
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Milled screws are made on a milling machine using a cutter with an Acme form. Typically, this produces a screw with a .002 inch per foot accuracy.
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Ground Thread
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Ground screws are made on a grinding wheel with an Acme form. Typically, this produces a screw with .0005 inch per foot lead accuracy.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Design Arrangement:
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Your choices are...
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English Units
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Design unit in inches, tenths or eighths of an inch, etc.
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Metric Units
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Design units are in mm, cm, etc.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Length:
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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O.D Screw Diameter:
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The largest diameter value of the screw.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Screw Lead:
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The axial distance a screw travels during one revolution, measured in inch/turn or mm/turn.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Screw Lead Accuracy:
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Search Logic:
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All matching products will have a value less than or equal to the specified value.
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Dynamic Load Rating:
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The load that can be sustained while the assembly is moving.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Maximum Static Load Capacity:
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The load that can be sustained, measured while the load is stationary.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Zero Backlash Design
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Backlash is the axial free motion between the nut and screw. It is a measure of the stiffness of the assembly.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Lubrication Port
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Right Hand Thread
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The direction of the threads on the screw shaft causing the ball nut to travel away from the end viewed when rotated clockwise.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Left Hand Thread
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The direction of the threads on the screw shaft causing the ball nut to travel away from the end viewed when rotated counter-clockwise.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Twin Lead
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Lead is the axial distance a screw travels during one revolution. Twin leads are useful in opposing dual motion using a single drive system. This design features both the Left and Right Hand threads.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Acme Nut Material
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Your choices are...
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Plastic
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Bronze
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Other
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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