More about :THK PA25

Note 1: Guidance for Installing the Spring Pad:The below figure shows examples of installing the spring pad model PA to the bottom of the LM Roller and adjustingthe clearance and providing a preload.The dimensions in this example are indicated in the specifi cation table for the spring pad model PA.The following is the procedure for the installation.
(1) Secure the fi xture and the spacer. Adjust them so that the LM Roller can move vertically.
(2) Turn the adjustment bolt until the LM Roller hits the raceway.
(3) Turn the adjustment bolt using a torque wrench and tighten it until the desired torque is reached.A preload is provided via the spring pad model PA.

For more detailed specifications, please download the Product Catalog with the link in the Downloads section of this product page.

Model No.	Main dimensions				Installation related dimensions1					Maximum permissible load	Spring constant	Support LM Roller
	W	B	L	h	H	S +0.15 +0.05	F	P	Adjustment bolt
	mm	mm	mm	mm	mm	mm	mm	mm		kN	kN/mm
PA15	15	22.2	20	9	21	22.2	11.5	65	M5	1.02	5.4	LRA1547Z
PA20	20	30	30	9.5	22.5	30	12	75	M6	2.74	7.5	LRA2055Z
PA25	25	38.1	35	12	27	38.1	14.5	90	M8	4.11	9.1	LRA2565Z
PA32	32	45	45	12.5	28.5	45	15	100	M8	4.11	11.2	LRA3275Z
PA40	40	55	55	16	38	55	18.5	126	M10	4.8	15.3	LRA4095
PA50	50	76.2	78	21	52	76.2	23.5	170	M12	6.86	15.5	LRA50130

Application of THK THK PA25
1. THK PA25 THK’s linear motion system helps to provide a guide device that enables this precision and speed to be realized.
2. THK PA25 In order to repeat the production of this advanced product, the LM guide and ball screw in the milling machine guide system which don’t waste of action
3. The LM guide and ball screw are indispensable for the movement of the tool section of the lathe because of its high rigidity and high precision.
4. By combining LM guides and ball screws with lubrication parts, we can reduce system design work and assembly steps, and extend the interval needed for maintenance.
5. Frequent earthquakes have caused great concern among residents in some regions. The vibration control system of THK THK PA25 can help solve the problem.
The system is based on the application technology of LM guide ball screw. It can provide protection to people's life and life in earthquake. The system can not only prevent the damage caused by the earthquake, but also reduce people's panic because of its omnipresent, reliable and durable.