Leadscrews and Leadscrew Assemblies Section Contents

Product Overview Precise, efficient linear motion Leadscrew & Nut Assemblies Reliance’s leadscrew and nut assemblies provide a flexible, integrated solution for linear motion. Available in a wide choice of leadscrew sizes and nut styles, with options for custom designed nuts and leadscrew end modifications, the range offers the flexibility to address a wide variety of requirements. Leadscrews are provided with leads from 0.3 mm to 92 mm, screw diameters from 3 mm to 19 mm and thread lengths of up to 4 metres, making them an effective solution, even for high linear speed applications. They are...

Product Overview Part number structure Screw Diameter See pages 7-7 to 7-11 Thread Length Leadscrew Coatings Thread Direction Leave blank for no coating or TFE and BFE for coated Leave blank for standard right-hand or LH for left-hand, where available See pages 7-7 to 7-11 Leadscrew materials Leadscrews are rolled from a premium grade, corrosion resistant and non-magnetic 303 stainless steel. Other materials are available including 316 and 400 series stainless steel, precipitation hardened steels, aluminium and titanium. These materials are ideally suited for industries such as medical, vacuum,...

Product Overview Leadscrew Nuts LPX series - Long life for applications that do not require anti-backlash or wear compensation. LNTG series - Adjustable drag, compact design, anti-backlash nut assembly allows drag torque to be pre-set according to system requirements. LAB series - Incorporates a lockable, adjustable sleeve to set the drag torque of the nut and to provide manual backlash control. LNTB MINI series - Miniature anti-backlash nut for applications requiring axial stiffness through life with minimal drag torque. LNTB series - Flexible design, self-compensating anti-backlash nut assembly...

Leadscrew Nuts Reliance offers a wide variety of standard nut designs and the matrix below is intended as a general guide to help select the most appropriate nut for the application. More detailed technical data is provided on Comparative star rating: The nuts are available in several different designs including anti-backlash, adjustable anti-backlash, general purpose and miniature. Most nuts are available with a triangular, round or threaded mount. Custom requirements can be supported using specialist mould designs, see page 7-26 Modified and custom nuts All of the nuts can be modified to some...

Leadscrew and Nut Assembly Selection Guide Product Overview Nominal Property Screw Diameter 3 mm Dynamic load LBF1 LPX2 LNTG LAB LNTB LAF LAK LWD LCM LAX Series Series Series Series Series Series Series Series Series 11 kg Static friction free 0.001 drag torque wheeling 0.004Nm Dynamic load Static friction free 0.001 drag torque wheeling 0.004Nm Dynamic load Static friction free 0.004 - 0.004 - 0.004 0.002Nm drag torque wheeling 0.014Nm 0.014Nm 0.014Nm Dynamic load Static friction free drag torque wheeling Dynamic load Static friction free drag torque wheeling Dynamic load Static friction free...

Nominal Screw Diameter Outside Diameter Part Number Left Hand Available Leadscrew & Nut Assemblies * Listed efficiencies are theoretical values based on a TFE coated leadscrew ** Listed efficiencies for 2mm diameter leadscrews are theoretical values based on non-coated leadscrews Note: Thread lengths can be specified up to 4m, depending on diameter and lead. Contact us for product information, design support and custom solutions [email protected]

Sizes Compatible Nut Styles Nominal Screw Diameter Part Number Outside Diameter Left Hand Available * Listed efficiencies are theoretical values based on a TFE coated leadscrew Note: Thread lengths can be specified up to 4 m, depending on diameter and lead. Contact us for product information, design support and custom solutions [email protected]

Nominal Screw Diameter Part Number Outside Diameter Left Hand Available P * Listed efficiencies are theoretical values based on a TFE coated leadscrew Note: Thread lengths can be specified up to 4 m, depending on diameter and lead. Contact us for product information, design support and custom solutions [email protected]

Sizes Compatible Nut Styles Leadscrew & Nut Assemblies LAF, LAB, LNTB, LAX, LPX, LWD Nominal Screw Diameter Part Number Outside Diameter Left Hand Available * Listed efficiencies are theoretical values based on a TFE coated leadscrew Note: Thread lengths can be specified up to 4 m, depending on diameter and lead. Contact us for product information, design support and custom solutions [email protected]

Nominal Screw Diameter Part Number Outside Diameter Left Hand Available * Listed efficiencies are theoretical values based on a TFE coated leadscrew Note: Thread lengths can be specified up to 4m, depending on diameter and lead. Larger screw diameters available, visit www.reliance.co.uk/shop For leadscrew and nut ordering configurations - see page 7-3 For leadscrew end modifications - see pages 7-27 to 7-35 For product overview - see pages 7-2 to 7-6 For technical information - see pages T7-1 to T7-5 Contact us for product information, design support and custom solutions [email protected]

Miniature Plain Nuts All dimensions in mm General tolerances ±0.5 mm Detailed tolerances: Please contact us Material: Polyacetal Associated Products Reli-a-Flex® couplings: page 8-6 Linear slides: page 9-1 Intelligent motors: page 2-2 Plain bearings: page 12-1 Part number selection table - LBB and LBF series, barrel and flange mount Nut Series Nominal Nut Nut Flange Flange Flange Slot Centres Dynamic Drag Screw Length Width Height Load Torque ØA# ØB C D E D1 F G kg Nm 2.0 5.5 8 --5.08 --4.5 2.0 5.5 8 11.9 2.0 5.5 1.80 9.00 4.5 Free 31 wheeling 4.0 10.2 13 19.1 3.2 10.2 3.05 15.24 11 52 2 LBF3...

Plain Nuts - General Purpose All dimensions in mm General tolerances ±0.5 mm Detailed tolerances: Please contact us Material: Polyacetal Associated Products Reli-a-Flex® couplings: page 8-6 Linear slides: page 9-1 Intelligent motors: page 2-2 Plain bearings: page 12-1 Part number selection table - LPX series, flange mount Nut Series LPX6LPX8LPX10LPX11LPX13LPX16LPX19- Nut Flange Flange Length Width C ØD E 25.4 25.4 28.7 4.8 38 Free wheeling Screw sizes 22 and 24 mm available Part number selection table - LPXZ series, flange mount Nut Series Nut Flange Flange Length Width ØB C ØD E 12.7 25.4 25.4...