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CNC Ball Screw C7 Precision Ground Ballscrew Sfu Sfnu Dfu Sfs Sfy Sfe Sfi 1204 1605 2505 Linear Motion Ground Rolled Ball Screw Kit for CNC Machine1
Ball Screw, CNC Ball Screw, Ball Screw, High Precision ball screw
Dongguan Pinsi Machinery Co., Ltd.
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Product DescriptionProduct DescriptionHigh Precision SFU Ballscrew C7 Rolled Ball Screw Set With Nut BK/BF12 End Support Coupler And Nut HousingSFNU & SFU series features high smoothness, high rigidity, high durability and strong dust-proof, with internal circulation design, making SFNU & SFU series applicable to small operating environment.STEP 1. Select the Lead of the Screw Rod Outer Diameter of the Screw RodLead of the Screw RodDefines how far the nut advances per full rotation.Model Rule: Outer Diameter + Lead = Screw Rod Model.Example: 16(diameter) + 05(lead) = 1605.Lead OptionsConventional Leads: 04, 05, 10Large Leads: 16, 20, 25, 32, 40, 50STEP 2. Select the Precision of the Screw RodCold - rolled Screw Rod (C7 Precision) Tolerance: 300mm ± 50(Unit: μ ). Precision Type: Repeat Positioning Precision.Ground Screw Rod (C5 Precision) Tolerances:0 - 100mm ± 18; 100 - 200mm ± 20; 200 - 315mm ± 23 ……STEP 3. Select the NutTypes: ·Single Nut ·Extended Double Nuts ·High - Load - Type Double - Lead NutsFor Replacement:If replacing a nut, match these parameters(skip if not replacing): ·Flange Outer Diameter ·Center Distance of Mounting Holes ·Outer Diameter of the Nut ·Length of the Nut (Including Flange) ·Mounting Hole Angle ·Size of Mounting Holes ·Width of the FlangeSTEP 4. Select the Mounting Seat Determines processing dimensions of both ends. Provide drawings if custom - making your own.Type:Standard Mounting Seat (BKBF)Horizontal Mounting Seat (EKEF)Vertical Mounting Seat (FKFF)STEP 5. How to Calculate the Length(Contact customer service for help if unsure)Total Length of the Screw Rod.Center Distance of Front/Rear Mounting Holes.Distance Between Seats: Effective Thread Length Free Stroke of the Nut: Distance Between Seats - Nut Length.Thread Length = Total Screw Rod Length - Processing Lengths of Both Ends.Absolute Stroke = Thread Length - Nut Length (or nut seat/platform length) - Mounting Seat Shrinkage - Nut Flange Fixing ScrewsSTEP 6. Select the Nut Seat Types:Aluminum Nut Seat.Steel Nut Seat.Steel Open - Type Nut Seat.STEP 7. Select the CouplingGuidelines:Outer diameter: Matches screw rod size.Inner diameter (d1): Customer must provide size + keyway info.Inner Diameter d1: Connects to motor output shaft.Length of the Coupling.Outer Diameter of the Coupling.Inner Diameter d2: Connects to screw rod..Ball Screw Nut TypeFeature of Ball Screw-Internal Return Series1. Internal return design saves more space.2. Small driving torque only one third of ACEM ball screw.3. High accuracy guaranteed.4. Fine feed, can be controlled within 0.1μm.5. No backlash, High rigidity.BrandTBI THK Hiwin PMI PINSISeriesINTERNAL CIRCULATIONModel#SFU1204 1605 1610 2005 2505 2510 3205 3210 4005 4010 5010 5020Diameter12, 16, 20, 25, 32, 40, 50, 63, 80, 100mmLead4, 5, 10mmAccuracy GradeC7 (0.05/E300mm), C5 (0.023/E300mm)Nut TypeSingle or DoubleEnd pocessingAccording to customer's drawingShaft Length (mm)4000 or customizedFeaturesLow Noice, High Speed, No Backlash and High RigiditySpecificationCompany ProfilePinsi is a reputable company with 12 years of experience in providing high-quality Linear Guide, Ball Screw, Cross Roller Guide, Single Axis Stage, Linear Bearing, Linear Actuator, Linear Module, and Linear Rail products. Why Choose Us?Other ProductsThis street light features high brightness, energy saving, environmental protection, and easy installation. It has a waterproof rating of IP67 and has passed CE certification. It is suitable for schools, parks, roadsides, factories, squares, etc. It has a warranty period of 3 years. Moreover, we can provide various styles to meet your needs.This street light features high brightness, energy saving, environmental protection, and easy installation. It has a waterproof rating of IP67 and has passed CE certification. It is suitable for schools, parks, roadsides, factories, squares, etc. It has a warranty period of 3 years. Moreover, we can provide various styles to meet your needs.FAQ* Q: How to distinguish original HIWIN from counterfeit? A: Check the laser-etched serial number and verify on HIWIN's official website. * Q: Can you provide technical drawings for integration? A: Yes! We offer free CAD drawings and engineering support.
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