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Bi-directional Lead Screws

Bi-directional Lead Screw

Bi-directional lead screws which are machined left handed and right handed thread on a shaft,and nuts are mounted on each thread.Both right and left nuts move symmetrically,precise positioning,and width adjustment by single motor.ALM nut configuration is designed freely to suit customer's requirements.

ALM Bi-directional Lead Screw Basic Information

Lead screw material


(other customized materials,according to customer requirements)

Lead nut material

Brass,Tin bronze,Phosphor bronze,Aluminum bronze,POM,PEEK,nylon,POK,Stainless steel, 1045,Zinc alloy,Brass+Plastic,Aluminum alloy+Plastic,Brass+Steel,Self lubricating(No oil type)

Available surface coating

Zinc-plated,nickel plated,hard chromium plated,fluorine coated,tungsten disulfide,black chorme plated

Quality standardISO2901-4,DIN103
Clearance7e,higher precision is available upon request
Note:Customized nuts and end machining are available upon drawing

ALM Bi-directional Lead Screw Nut Structure

The following pictures show the common ALM bi-directional lead screw nut structure.Other lead nut structures can be manufactured according to customer's drawings.

round flange lead screw nut

COM series

double cut flanged lead screw nut

CHT series

cylindrical lead screw nut

CNN series

ALM lead screw nut

WNM series

round flange lead nut

COT series

square flanged lead screw nut

CXT series

ALM round flanged lead screw nut

COU series

square lead screw nut

HNM series

ALM Bi-directional Lead Screw Shaft End Machining

ALM provides lead screw shaft end machining custom services,the following is the common shaft end machining drawing,other lead screw shaft end machining according to customer requirements.

Milling Circlip lead screw

Milling Circlip

Processing Thread lead screw

Processing Thread

Milling Keyway lead screw

Milling Keyway

Milling Slotted Drives lead screw

Milling Slotted Drives

Milling Hex Socket lead screw

Milling Hex Socket

Milling Flat lead screw

Milling Flat

ALM Bi-directional Lead Screw Intelligent Manufacturing and Inspection




 No 1998 Jinfeng south road,Wuzhong district,Suzhou China.


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