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Lead Screws

ALM is a professional lead screw manufacturer and supplier in China.We rely on the University of Manchester,specializes in leadscrew thread technology and processes the world's leading technology in terms of grinding wheel dressing,thread grinding,thread cold extrusion,thread tool manufacturing,and thread transmission,which has laid the foundation for the quality of ALM power screw.


ALM is one of the world's three hard-rolled cold rolling screw rod technology holders.Unique manufacturer in nut smooth grinding technology,heartless grinding screw technology,super smooth screw technology,screw self-centering and heel knife grinding technology.In addition,with reasonable design and rigorous process control,ALM lead screws fit nicely,run smoothly,left and right motion softness consistent,dynamic smoothness is good,lead screw assemblies transmission efficiency is higher,torque is smaller,motor load is smaller.Both lead screw cold rolling and grinding manufacturing technology are available to provide the corresponding products according to customers' requirements.


ALM produces lead screws as per the ball screw processing requirement.Different from most other lead screw manufacturers,ALM cold rolling lead screws is made by a model with a single rolling wheel.ALM lead screw accuracy can be C5.Lead screws hardness can be HRC70,When lead screw nuts rotate on screws,no deformed and wiggling nor stuck phenomenon.With ALM unique rare earth alloy nuts,lead screw service life increased by at least 3 times.



ALM Lead Screw Types



Trapezoidal Lead Screws

Trapezoidal Lead Screws

Trapezoidal lead screw thread angle is 30°and manufactured in metric size.The size of the trapezoidal lead screw is specified by the shaft diameter of the screw and the pitch of the screw thread.



ALM Lead Screws

ACME Lead Screws

ACME lead screw has a thread angle of 29°and is manufactured in inch size.Acme screw size is usually specified by the screw shaft diameter and the number of threads per inch or TPI.


Metric Lead Screws

Metric Lead Screws

Metric thread lead screw thread angle is 60°.Metric thread is the most common form of thread used for fastening and precision transmission.The size of the metric lead screw is specified by the shaft diameter of the screw and the pitch of the screw thread.


Anti-backlash Nut Lead Screws

Anti-backlash Nut Lead Screws

Backlash can cause wear and inaccurate positioning,which can be detrimental to your application.The anti-backlash nut can reduce the clearance between the screw and nut and improve the precision of the lead screw.


mini Lead Screws

Mini Lead Screws

ALM mini lead screw sizes range from 2mm to 4.mm.These small nut and lead screw assemblies can be attached to highly compact units.These mini lead screws save size and weight and are designed for precision and miniaturized applications.


Bi-directional Lead Screws

Bi-directional Lead Screws

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.



Customize Your Lead Screw

Available lead screw material:ASTM1045,SUS303,SUS304,SS316,SS316L

Available 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.

Lead Screw Quality standard:ISO9001:2015,CE certificate,RoHS and reach compliance

Lead Screw Clearance:7e,higher precision is available upon request

Custom Services:Customized nuts and lead screw shaft end machining are available upon drawing


Lead Screw Factory

We have our own Lead screw factory and professional processing and inspection equipment,and lead screws from raw materials to final packaging are strictly controlled in terms of quality.The following video provides a brief overview of our screw factory. You can contact our team for more details about the ALM screw factory.



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 +86-18962406535
 sales@autolinearmotion.com
 No 1998 Jinfeng south road,Wuzhong district,Suzhou China.

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