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1202 twin lead ball screw for CNC router

  • 1202 twin lead ball screw for CNC router
  • 1202 twin lead ball screw for CNC router
  • 1202 twin lead ball screw for CNC router

1202 twin lead ball screw for CNC router

    Min. Order: 1 Set/Sets
    Packaging: In wooden cases or cartons
    Productivity: 10000 sets per month
    Brand: ALM
    Transportation: Ocean,Land,Air,Express
    Place of Origin: China
    Supply Ability: 10000 sets/month
    Certificate: ISO9001:2015 JISB1192
    Port: Shanghai

Basic Info

Model No.: 12X2

Product Description

Direction of turns of ball screw thread
There are two directions of turn, right and left hand screws. Mostly, right turn screws are used.
 Right hand screw
If you trace the groove in clockwise looking at the screw shaft in its axial direction, the ball thread is away from you.
(In the illustration, the spiral goes away from an end of the shaft.) Such screws are called right hand screws. As the illustration shows, the groove slants to the right.

right hand screw
 Left hand screw
If you trace the groove in clockwise looking at the screw shaft in its axial direction, the ball thread approaches to you. (In the illustration, the spiral comes near to an end of
the shaft.) Such screws are called left hand screws. As the illustration shows, the groove slants to the left.


left hand screw

China ball screws


Why do the ball screws require ball recirculation parts?

In case of a ball bearing, its steel balls roll only in a circular groove, thus there is no way for steel balls to go out of it. However, since the groove in the ball screw is helical, its steel balls roll along the helical groove, and, then, they may go out of the ball nut unless they are arrested at a certain spot.
Thus, it is necessary to change their path after they have reached a certain spot by guiding them, one after another, back to their “starting point” (formation of a recirculation path). The recirculation parts play that role.



ball screw recirculation


By providing steel balls in between the screw shaft and the nut (grooves), and the balls roll on the grooves (i.e.,Change to rolling contact from sliding contact to reduce friction. Refer to the illustration below.).


ball screw structure



What is friction force? (Sliding and rolling friction)

When you want to slide a box sitting on a floor, it does not move while your pushing force is yet too small (static frictional force). But, it starts moving when the pushing force has reached a certain level. In order to keep the box moving on, you need to maintain your pushing force at its dynamic frictional force, which is far less than the static friction force.
As described above, the friction force is the force that two objects exert upon each other through their contact surface and hinder each other's relative movement when they are in contact.
The intensity of frictional force varies with the state of contact. A friction force of rolling contact is usually smaller than that of sliding contact.



screw friction force





variety of screws



ALM Intelligent Technology (Suzhou) Co.,Limited

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Seidal designs,innovates,produces a complete selection of linear modules,linear motors,linear actuators for Ic Package,Testing Of Semiconductor Equipments,Ic Patching,Photovoltaic Panel Manufacturing,Laser Cutting Equipments,Medical Apparatus And Instruments,Machine Tools,Optical Equipments,Display Panel Manufacturing.

SEIDAL brand was founded by a team,who have acheived Doctoral degree.Their major is electric engineering and have been involved in the field of electromagnetics for 10 years.

Seidal is trying to transform the cutting-edge theories into the practical products, to provide the most advantaged products and services for our customers, and to provide the powerful `engine` for the intelligent manufacturing industry. SEIDAL is awarded the [leading talent start-up for innovation" in Wuzhong district, the"leading talent start-up for innovation in Suzhou" and the"Excellent technology company" in Wuzhong Gaoxin district.


Company Info

  • Company Name: ALM Intelligent Technology (Suzhou) Co.,Limited
  • Representative: Wangkai
  • Product/Service: Linear Motors , Linear Modules , Linear Stages , Linear Actuators , Linear Guideways , Ball Screws
  • Capital (Million US $): US$ 1 Million
  • Year Established: 2005
  • Total Annual Sales Volume (Million US $): US$2.5 Million - US$5 Million
  • Export Percentage: 41% - 50%
  • Total Annual Purchase Volume (Million US $): US$1 Million - US$2.5 Million
  • No. of Production Lines: 3
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: Fewer than 5 People
  • OEM Services Provided: no
  • Factory Size (Sq.meters): 3,000-5,000 square meters
  • Factory Location: No 1998 Jinfeng south road,Wuzhong district,Suzhou,China
  • Contact Person: Ms. Sera
  • Tel: 00-86-18962406535
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