C5 vs C7 Ball Screw: Accuracy, Cost, and Buyer Selection
C7 and C5 differ in accumulated lead error, process, and lead time — not in being better or worse. Judge by the axis: most machines run C7, key axes need C5.
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Compare ball screw specifications by machine use, accuracy requirement, speed, load, and budget.
C7 and C5 differ in accumulated lead error, process, and lead time — not in being better or worse. Judge by the axis: most machines run C7, key axes need C5.
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Choose rolled or ground by the machine accuracy requirement, then compare cost, lead time, preload, and the RFQ details that affect the assembly.
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Check the long-travel ball screw speed limit against its bore, support span, support method, and DN value.
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Choose grease or oil by speed, dust, heat, and downtime, then set the interval from the maintenance schedule.
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Convert load and life targets into dynamic and static load requirements, then state equivalent load, average speed, and target life in the RFQ.
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Understand every part of a ball screw assembly — screw and nut, BK/BF bearing blocks, coupling, and nut housing — and describe them correctly in your RFQ.
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Choose the ball screw accuracy class by positioning requirement and state the acceptance criteria in the RFQ.
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Match ball screw lead, accuracy class, load, and end interface to the CNC machine conditions.
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Judge C7 suitability from the machine's positioning requirement, measurement length, and overall error budget.
Send C7 RFQ
Choose between 1605 and 1610 by speed, thrust, positioning requirement, and critical-speed limit.
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Explain how 5 mm and 10 mm lead on a 20 mm ball screw affect speed, torque, load, and machine fit.
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Compare preload's effect on backlash, rigidity, heat, and price, then select the preload band for the application.
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Explain common CNC router lead selection by speed, thrust, control resolution, and axis use.
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Explain how 5 mm lead and 10 mm lead on a 25 mm diameter ball screw affect speed, thrust, and machine fit.
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Compare 3205 and 3210 by long travel, speed, load, support span, and packing conditions.
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Compare how larger lead changes speed, thrust, and control margin, then list the axis parameters required before an RFQ.
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State stroke, load, speed, cycle time, and accuracy together when selecting a linear module and requesting a quote.
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An automation-equipment RFQ needs application parameters alongside the model, accuracy, lead-time, and packing requirements.
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Woodworking CNC machines often use 1605, 1610, 2005, and 2510, but selection should consider axis, speed, thrust, load, and installation space.
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Woodworking CNC dust affects ball screw life, so RFQs should state dust protection, lubrication, cleaning, and cover requirements early.
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A linear module inquiry should describe the ball screw, slide, guide rail, motor connection, and repeatability together instead of quoting by model only.
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A vertical Z axis needs more attention to load, brake, and drop risk than a horizontal axis, so lead should not be selected by speed alone.
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A CNC router ball screw upgrade should not be quoted by model only because motor type, lead, speed, torque, and coupling affect the usable solution.
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Laser cutting machine ball screw selection should balance speed, accuracy, dust protection, and heat effect, so the RFQ should describe the application environment.
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Packaging machine ball screw selection should consider repeated motion, cycle time, load, and maintenance conditions, so the RFQ should state the real running rhythm.
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Send the model, length, quantity, application, or old-part photos. We will review the specification against the actual machine and use case.
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