1. Haas T-slot Guide Rail
2. T Slot Guide Rail

Linear rail guides are designed for applications that call for precise motion with high load-bearing capability. But improper mounting can add unnecessary loads, reduce life, and undermine the inherent travel accuracy of the linear guide system. Understanding and following the three mounting specifications described below will help ensure your installation achieves the desired accuracy and doesn’t succumb to premature failure.

Rail parallelism

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• To hang the guide rail accurately in position you’ll need your step-down spacing set up. Two Milled, flat and straight, stout long boards and two small 13/16″ milled spacers. Cantilever the boards off the edge of the saw or table with clamps to hang the guide rail unit exactly 13/16” below the top of the table.

The most common installation of linear rail guides is a two-rail, four-carriage arrangement. But regardless of the number of carriages, when two rails are used in parallel, extra side loads can result if they are not mounted within the manufacturer’s specified parallelism tolerance, often denoted as P1. There are many options for securing the rails and ensuring their straightness, ranging from the most precise method of using a machined reference edge for each rail, to the least precise (and least costly) method of mounting one rail using a straight edge or gauge, and using a connecting plate to “float” the second rail into proper alignment.

It’s important to note that if the rails are not mounted against a reference edge or retaining strip, the permissible side forces may be reduced. This is because when there is no lateral retention, the shear strength of the rail mounting screws becomes the limiting factor for permissible side load.

Vertical offset between rails

Rails used in parallel should also adhere to the maximum permissible offset in the vertical direction. This is often specified as S1, and is a function of the distance between the rails and the preload of the carriages—the higher the preload level of the carriages, the smaller the permissible vertical offset. If this value is exceeded, a roll moment will be introduced into the carriages, which can result in shortened bearing life.

When calculating the vertical offset, the height tolerance, H, of the carriages must be taken into account. If the inclusion of the height tolerance causes a greater offset than is permissible, carriages with either lower preload or higher accuracy should be used.

Vertical offset between carriages

When multiple carriages are used on the same rail, the vertical offset between carriages, often denoted as S2, becomes an important factor and can impart a pitch moment on the carriages. The permissible vertical offset is a function of both the length of the carriages (standard, short, or long) and the distance between carriages.

Similar to the offset between rails, the calculation of vertical offset between carriages should take into account the height difference between carriages, ΔH. If the actual vertical offset is greater than the calculated permissible offset, S2, then a shorter version of the carriages, or a higher accuracy version, must be used.

Of course, proper mounting involves other factors, many of which aren’t directly related to the components being used, such as base preparation, geometry of reference edges, and even the procedure for tightening the mounting screws. And less-demanding applications can often perform satisfactorily with less-stringent mounting procedures. But for the most critical and highly accurate installations, closely following the manufacturers specifications for mounting and installation will ensure the highest accuracy possible and avoid reducing the life of the system.

Feature image credit NOOK Industries, Inc.

v groove guide rail bearing is simple in design, non-separable, suitable for high and even very high speeds and are robust in operation, requiring little maintenance

Product Specification:

• ModelV623ZZ
• Size3x12x4mm
• BrandLLH

See Price

v groove guide rail V623ZZ v slot bearing for rail track linear motion system 3x12x4mm

v groove guide rail v slot bearing is made from high quality carbon steel for durability and long service life.They are double shielded to avoid contaminants entering and save lubricant.Bearings have 1.4mm deep V groove that generally ride on a rail or track.

v groove guide rail v slot bearing is specialized bearings that are used in many linear motion systems.There comes total 20 pieces bearings which you may use for many different projects.

FAQ:

Haas T-slot Guide Rail

1,Q: Are you trading company or manufacturer ?

A: We are factory.

2,Q: How long is your delivery time for v groove guide rail v slot bearing ?

A: Generally it is 3-5 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

3,Q: Do you provide samples for v groove guide rail v slot bearing ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

4,Q: What is your terms of payment for v groove guide rail v slot bearing ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,pay the balance before shippment.

5, Q:Could you accept OEM and customize?

A:YES,we can customize for you according to sample or drawing.

6, Q: When can I get the price?
A: after we get your inquiry, usually within 2-6 hours. Urgent will be faster.

7,Q:How about your quality of v groove guide rail v slot bearing ?

A:Our quality of bearings is based on ISO9001 and quality of bearing is our soul.

8, Q: What is the MOQ of your v groove guide rail v slot bearing ?
A: Usually ≥1, According your demand.

9,Q: Will you check these v groove guide rail v slot bearing before shipment?

A: Yes, before shipment products will be strictly inspection on our factory QC Process System.We have a professional QC team.

10, Q: What will we do if If you are not satisfied with v groove guide rail v slot bearing ?
A: If have any abnormal, Please contact us at first time, we will immediately processing.

If you need any brand bearings or any models of bearings, please contact me!

T Slot Guide Rail

Contact: Grace
Email: ntn@llhbearing.com
Skype:+8618668903871
MP/Whatsapp: 008618668903871
Wechat:GraceXu1234

Bearing No.	principle dimensions (mm)	mass (kg)
d	D	B	approx
623	3	10	4	0.0033
624	4	13	5	0.0055
625	5	16	5	0.0067
626	6	19	6	0.0085
627	7	22	7	0.013
628	8	24	8	0.017
629	9	26	8	0.020
6200	10	30	9	0.032
6201	12	32	10	0.037
6202	15	35	11	0.045
6203	17	40	12	0.064
6204	20	47	14	0.108
6205	25	52	15	0.127
6206	30	62	16	0.22
6207	35	72	17	0.267
6208	40	80	18	0.367
6209	45	52	19	0.416
6210	50	90	20	0.462
6211	55	100	21	0.602
6212	60	110	22	0.789
6213	65	120	23	0.99
6214	70	125	24	1.084
6215	75	130	25	1.171
6216	80	140	26	1.448
6217	85	150	28	1.803
6218	90	160	30	2.172
6219	95	170	32	2.62
6220	100	180	34	3.189

Jinan Maolei bearing Co.,Ltd. is located in the “Spring City” Jinan. We insist on the philosophies of “integrity” and “pragmatic & win-win business”. We also adhere to the “people-oriented” and “advancing” enterprise spirit . “Quality first and customers utmost” is honored as our enterprise concept.The core products of Jinan Maolei bearing Co,.Ltd. bear some well-known imported brands, including NSK, NTN, NACHI, KOYO, IKO, INA, FAG, TIMKEN, etc.We have our own brand “LLH”,we sincerely welcome friends from all over the world come to visit our company and talk on business,we adhere to the concept of”survival of high quality”,and provide excellent service for customers.

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contact us

Tel: +86 150-9891-6271

E-mail: nsk@zyslbearing.com

Add: Room1203,E3,Mingquanchunxiao,Dikou Road,Tianqiao District,Jinan, Shandong province, China