China wholesaler P Class Interchangeable Linear Bearings and Rails

Product Description

ZCF BRIEF INTRODUCTION:                                                                                       
ZCF PRECISION TECHNOLOGY(HangZhou) CO.,LTD. IS A PROFESSIONAL MANUFACTURER OFLINEARXIHU (WEST LAKE) DIS.,LINEAR MODULE AND BALL SCREW ETC.SHE IS LOCATED IN HangZhou CITY,ZheJiang ,CHINA.THE NEW FACTORY COVERS 33333 SQUARE CHINAMFG AND HOLDS A BUILDING AREA OF 16000 SQUARE CHINAMFG AT PRESENT. WITH OVER 10 YEARS’ EFFORT OF OUR WHOLE TEAM. AND ALSO TRUST AND SUPPORT FROM OUR RESPECTED CUSTOMERS. WE ARE SO LUCKY TO BECOME ONE STRONG BRAND IN CHINA, WHO MAKE INTERNATIONAL STHangZhouRD PRODUCTS.WE AIM SERVE CUSTOMERS WORLDWIDELY.

PRODUCTS PHOTOS:

CH SERIES BODY STRUCTURE:
 

1.ROLLING CYCLE SYSTEM: SLIDER, XIHU (WEST LAKE) DIS. RAIL, END COVER, STEEL BALL, BALL HOLDER;

2.LUBRICATION SYSTEM: OIL NOZZLE AND TUBING JOINT

3.DUST-PROOF SYSTEM: OIL SCRAPER, NEGATIVE DUST SEAL DUST-PROOF SHEET, XIHU (WEST LAKE) DIS. RAIL BOLT COVER, METAL SCRAPER

 

ACCURACY LEVEL
 

1. THE ACCURACY OF CH SERIES LINEAR XIHU (WEST LAKE) DIS.S CAN BE DIVIDED INTO FIVE LEVELS: COMMON, HIGH, PRECISION, SUPER-PRECISION AND ULTRA-PRECISION. CUSTOMERS CAN CHOOSE THE ACCURACY LEVEL ACCORDING TO THE ACCURACY REQUIREMENT OF EQUIPMENT.
 

2.  ACCURACY OF NON-INTERCHANGEABLE LINEAR XIHU (WEST LAKE) DIS.:

MODEL CH – 15, 20          unit : mm
ACCURACY LEVEL COMMON HIGH PRECISION HIGH-PRECISION ULTRA-PRECISION
(C) (H) (P) (SP) (UP)
TOLERANCE OF H ± 0.1 ± 0.03 0- 0.03 0- 0.015 0- 0.008
TOLERANCE OF N ± 0.1 ± 0.03 0- 0.03 0- 0.015 0- 0.008
TOLERANCE OF MUTUAL H 0.02 0.01 0.006 0.004 0.003
TOLERANCE OF MUTUAL N 0.02 0.01 0.006 0.004 0.003
MOTION PARALLELISM OF C ON A MOTION ACURACY
MOTION PARALLELISM OF D ON B MOTION ACURACY

 

MODEL CH – 25,30,35        unit : mm
ACCURACY LEVEL COMMON HIGH PRECISION HIGH-PRECISION ULTRA-PRECISION
(C) (H) (P) (SP) (UP)
TOLERANCE OF H ± 0.1 ± 0.04 0- 0.04 0- 0.02 0- 0.01
TOLERANCE OF N ± 0.1 ± 0.04 0- 0.04 0- 0.02 0- 0.01
TOLERANCE OF MUTUAL H 0.02 0.015 0.007 0.005 0.003
TOLERANCE OF MUTUAL N 0.03 0.015 0.007 0.005 0.003
MOTION PARALLELISM OF C ON A MOTION ACURACY
MOTION PARALLELISM OF D ON B MOTION ACURACY

 

MODEL CH – 45,55          unit : mm
ACCURACY LEVEL COMMON HIGH PRECISION HIGH-PRECISION ULTRA-PRECISION
  (C) (H) (P) (SP) (UP)
TOLERANCE OF H ± 0.1 ± 0.05 0- 0.05 0- 0.03 0- 0.02
TOLERANCE OF N ± 0.1 ± 0.05 0- 0.05 0- 0.03 0- 0.02
TOLERANCE OF MUTUAL H 0.03 0.015 0.007 0.005 0.003
TOLERANCE OF MUTUAL N 0.03 0.02 0.01 0.007 0.005
MOTION PARALLELISM OF C ON A MOTION ACURACY
MOTION PARALLELISM OF D ON B MOTION ACURACY

3. MOTION ACCURACY CHART

RAIL LENGTH (mm) ACCURACY LEVEL (µm)
C H P SP UP
~ 100 12 7 3 2 2
100 ~ 200 14 9 4 2 2
200 ~ 300 15 10 5 3 2
300 ~ 500 17 12 6 3 2
500 ~ 700 20 13 7 4 2
700 ~ 900 22 15 8 5 3
900 ~ 1,100 24 16 9 6 3
1,100 ~ 1,500 26 18 11 7 4
1,500 ~ 1,900 28 20 13 8 4
1,900 ~ 2,500 31 22 15 10 5
2,500 ~ 3,100 33 25 18 11 6
3,100 ~ 3,600 36 27 20 14 7
3,600 ~ 4,000 37 28 21 15 7

SELECTION CRITERIA

1. PRODUCT APPLICATIONS:

1). CH SERIES: GRINDING MACHINE, MILLING MACHINE, LATHE, DRILLING MACHINE, INTEGRATED PROCESSING MACHINE, EDM MACHINE, BORING MACHINE, WIRE CUTTING MACHINE, PRECISION

2). CE SERIES: INDUSTRIAL AUTOMATION MACHINERY, SEMICONDUCTOR MACHINERY, LASER ENGRAVING MACHINE, PACKAGING MACHINE;

3). CGN/CGW SERIES: PRINTER, MACHINE ARM, ELECTRONIC INSTRUMENT AND SEMICONDUCTOR EQUIPMENT.

 

2. SELECTION OF ACCURACY LEVEL:

C, H, P, SP, UP LEVELS DEPEND ON EQUIPMENT ACCURACY REQUIREMENTS.
 

3. SELECTION OF SIZE:

1). ACCORDING TO EXPERIENCE;

2). LOAD STATUS;

3). IF LINEAR XIHU (WEST LAKE) DIS.WAY IS USED IN CONJUNCTION WITH BALL SCREW, SELECT SIMILAR SIZE AS EXTERNAL DIAMETER OF THE SCREW. IF THE EXTERNAL DIAMETER OF THE SCREW IS 35 MM, SELECT CH35.

 

4. CALCULATING THE MAXIMUM LOAD OF SLIDER:

1). CALCULATING THE MAXIMUM EQUIVALENT LOAD OF A SINGLE SLIDER WITH REFERENCE TO THE LOAD CALCULATION TABLE

2). CONFIRMATION THAT THE STATIC SAFETY FACTOR OF THE SELECTED STRAIGHT-LINE XIHU (WEST LAKE) DIS. SHOULD EXCEED THE VALUE LISTED IN THE TABLE OF STATIC SAFETY FACTOR

LUBRICATION:

IF THE LINEAR XIHU (WEST LAKE) DIS. IS NOT PROPERLY LUBRICATED, THE FRICTION OF ROLLING PARTS WILL INCREASE, AND LONG-TERM USE WILL BECOME THE MAIN REASON FOR SHORTENING THE LIFE. LUBRICANTS PROVIDE THE FOLLOWING FUNCTIONS:

(1). REDUCE FRICTION OF ROLLING PARTS, PREVENT BURNS AND REDUCE WEAR;

(2). FORMING OIL FILM BETWEEN ROLLING SURFACE AND ROLLING SURFACE CAN PROLONG ROLLING FATIGUE LIFE;

(3). PREVENTING RUST.

 

1. GREASE LUBRICATION:

EACH GROUP OF LINEAR XIHU (WEST LAKE) DIS.WAYS CAN BE SEALED WITH LITHIUM SOAP-BASED GREASE TO LUBRICATE THE BEAD GROOVE TRACK BEFORE LEAVING THE FACTORY. ALTHOUGH THE GREASE IS NOT EASY TO LOSE, IN ORDER TO AVOID INSUFFICIENT LUBRICATION CAUSED BY LUBRICATION LOSS, IT IS SUGGESTED THAT CUSTOMERS SHOULD SUPPLEMENT THE GREASE ONCE MORE WHEN THE DISTANCE REACHES 100 KM. AT THIS TIME, GREASE CAN BE INJECTED INTO THE SLIDER BY MEANS OF THE OIL NOZZLE ATTACHED TO THE SLIDER. LUBRICATING GREASE IS SUITABLE FOR SITUATIONS WHERE THE SPEED IS NOT MORE THAN 60 M/MIN AND THE COOLING EFFECT IS NOT REQUIRED.
T : OIL INJECTION FREQUENCY (hour);  Ve : SPEED (m/min)
 

2. OIL (OIL) LUBRICATION:

IT IS RECOMMENDED THAT CUSTOMERS USE LUBRICATING OIL WITH A CONSISTENCY OF ABOUT 32-150 CHINAMFG TO LUBRICATE LINEAR XIHU (WEST LAKE) DIS.S. CHINAMFG CAN INSTALL THE TUBING JOINT AT THE ORIGINAL POSITION OF THE OIL DISCHARGE NOZZLE ACCORDING TO THE CUSTOMER’S NEEDS, SO THE CUSTOMER ONLY NEEDS TO CONNECT THE PRESET TUBING OF THE MACHINE TO THE TUBING JOINT. THE LOSS OF LUBRICATING OIL IS FASTER THAN THAT OF LUBRICATING GREASE. WHEN USING, ATTENTION MUST BE PAID TO THE ADEQUACY OF OIL SUPPLY. IF INSUFFICIENT LUBRICATION EASILY CAUSES ABNORMAL WEAR OF LINEAR XIHU (WEST LAKE) DIS.S AND REDUCES THEIR SERVICE LIFE, IT IS SUGGESTED THAT THE FREQUENCY OF LUBRICATING OIL SHOULD BE ABOUT 0.3CM3/HR. CUSTOMERS CAN USE IT ACCORDING TO THEIR USE CONDITIONS. LUBRICATING OIL IS SUITABLE FOR VARIOUS LOADS AND SPEEDS, BUT IT IS NOT SUITABLE FOR HIGH TEMPERATURE LUBRICATION BECAUSE OF ITS VOLATILITY.

DUST-PROOF DEVICE(OPTIONS)
 

1. DUST-PROOF DEVICE CODE:

IF YOU NEED THE FOLLOWING DUST-PROOF EQUIPMENT, PLEASE ADD THE CODE AFTER THE PRODUCT MODEL.

INSTALLATION OF LINEAR XIHU (WEST LAKE) DIS.WAY

THE INSTALLATION METHOD OF LINEAR XIHU (WEST LAKE) DIS. MUST BE SET ACCORDING TO THE OPERATING CONDITION OF THE MACHINE, SUCH AS THE DEGREE OF VIBRATION AND IMPACT FORCE, THE REQUIRED WALKING ACCURACY AND THE LIMITATION OF THE MACHINE.WHEN PAIRING NON-INTERCHANGEABLE LINEAR XIHU (WEST LAKE) DIS.S, ATTENTION SHOULD BE PAID TO THE DIFFERENCE BETWEEN THE REFERENCE RAIL AND THE DRIVEN RAIL. THE ACCURACY OF THE DATUM LEVEL ON THE SIDE OF THE DATUM RAIL IS HIGHER THAN THAT OF THE DRIVEN RAIL, SO IT CAN BE USED AS THE SUPPORTING SURFACE FOR THE BED INSTALLATION. THE REFERENCE RAIL IS MARKED WITH MA, AS SHOWN IN THE FIGURE.

 

1. FIXING METHODS

WHEN THE BED IS SUBJECTED TO VIBRATION AND IMPACT FORCE, THE XIHU (WEST LAKE) DIS. RAIL AND SLIDER MAY DEVIATE FROM THE ORIGINAL FIXED POSITION AND AFFECT THE ACCURACY. IN ORDER TO AVOID SIMILAR SITUATION, IT IS SUGGESTED TO USE THE FOUR FIXED WAYS LISTED BELOW TO FIX THE XIHU (WEST LAKE) DIS. RAIL AND SLIDER TO ENSURE THE ACCURACY OF THE MACHINE.

 

2. INSTALLATION OF LINEAR RAIL:

 

Application: Machines
Material: S55c
Structure: Machine Table
Installation: All
Driven Type: N/a
Carrying Capacity: Weight Level
Samples:
US$ 100/Meter
1 Meter(Min.Order)

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Customization:
Available

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linear rail

Are there specific considerations for choosing linear rails in applications with varying environmental conditions or precision requirements?

Yes, specific considerations come into play when choosing linear rails for applications with varying environmental conditions or precision requirements. These considerations ensure that the selected linear rail system is well-suited to the specific challenges and demands of the application. Here are key factors to consider:

Environmental Conditions:

  • Temperature: In environments with extreme temperatures, the linear rail materials and coatings must withstand thermal expansion or contraction. High-temperature environments may require materials with enhanced heat resistance, while low-temperature settings may demand materials that remain durable and flexible in cold conditions.
  • Corrosion Resistance: For applications in corrosive environments, such as those with exposure to moisture or chemicals, choosing corrosion-resistant materials or coatings is crucial. Stainless steel or specialized coatings can protect against corrosion and extend the lifespan of the linear rail.
  • Contaminant Resistance: Environments with dust, debris, or other contaminants require linear rails with effective sealing mechanisms. Sealed or covered linear rail systems prevent the ingress of contaminants, preserving the integrity of the system and ensuring reliable performance.

Precision Requirements:

  • Accuracy and Repeatability: Applications demanding high precision, such as in CNC machining or optical systems, require linear rails with superior accuracy and repeatability. Choosing rails with tight tolerances, precision-ground surfaces, and advanced manufacturing processes ensures consistent and reliable linear motion.
  • Load Capacity: Precision applications may have stringent load requirements. Selecting linear rails with the appropriate load-bearing capacity ensures that the system can handle the specific loads without compromising precision or accuracy.
  • Smooth Operation: Precision linear motion often requires smooth and quiet operation. Rails with anti-friction coatings, self-lubricating properties, or advanced bearing technologies contribute to smooth and silent linear movement, meeting the demands of precision applications.

It’s essential to thoroughly evaluate the environmental conditions and precision requirements of the application before selecting linear rails. Collaborating with experienced suppliers or manufacturers can provide valuable insights and assistance in choosing the most suitable linear rail system that meets the specific challenges posed by varying environmental conditions and precision standards.

linear rail

What are the typical load capacities and travel distances for linear rails?

The load capacities and travel distances for linear rails vary based on the specific design, size, and application requirements. Here are general considerations:

Load Capacities:

  • Light-Duty Applications: Linear rails in smaller sizes may be suitable for light-duty applications with load capacities ranging from a few hundred pounds to a few thousand pounds. These are commonly used in applications like 3D printers and light-duty automation systems.
  • Medium-Duty Applications: Linear rails in medium sizes are designed for applications with moderate load requirements. Typical load capacities for medium-duty linear rails range from a few thousand pounds to tens of thousands of pounds. These are often used in CNC machines, robotic systems, and material handling equipment.
  • Heavy-Duty Applications: Larger linear rails are built for heavy-duty applications with substantial load requirements. Load capacities for heavy-duty linear rails can extend into the hundreds of thousands of pounds. These are employed in industrial machinery, aerospace testing equipment, and other heavy-duty applications.

Travel Distances:

  • Short-Range Travel: Some linear rails are designed for short-range travel, with typical distances ranging from a few inches to a few feet. These are suitable for applications with limited linear motion requirements, such as in certain types of printing machinery.
  • Medium-Range Travel: Linear rails for medium-range travel cover distances from a few feet to several feet. These are commonly used in applications like CNC machines and automation systems where moderate linear motion is required.
  • Long-Range Travel: Linear rails with long-range travel capabilities are designed for applications where extensive linear motion is necessary. These can cover distances ranging from several feet to meters and are used in applications such as large-scale industrial automation and material handling systems.

It’s essential to consult manufacturer specifications and consider factors such as speed, acceleration, and environmental conditions when selecting linear rails to ensure they meet the specific load and travel requirements of a given application.

linear rail

How do linear rails differ from other linear motion components like linear guides or bearings?

While linear rails, linear guides, and bearings are all components used in linear motion systems, they differ in their design, functions, and applications:

Linear Rails: Linear rails typically consist of a long, rigid rail and a carriage that moves along the rail. The rail has a specially designed profile to provide guidance, and the carriage supports and carries the load. Linear rails are known for their ability to handle high loads, offer precise linear motion, and reduce friction for smooth movement.

Linear Guides: Linear guides encompass a broader category that includes linear rails. Linear guides refer to any mechanism that guides linear motion. Linear rails are a specific type of linear guide with a distinctive profile. Linear guides, in a general sense, can include other mechanisms like dovetail slides, boxway guides, and more, each with its own design and application.

Bearings: Bearings are components that reduce friction between moving parts and support radial or axial loads. While linear rails may incorporate bearings within their design, bearings, in a broader sense, can be standalone components used to support rotating or linear motion. Linear bearings, for example, specifically support linear motion and may be used independently or as part of a linear rail system.

In summary, linear rails are a specific type of linear guide with a defined rail and carriage design, whereas linear guides encompass a broader category. Bearings, on the other hand, are components that reduce friction and support loads, and linear bearings specifically cater to linear motion.

China wholesaler P Class Interchangeable Linear Bearings and Rails  China wholesaler P Class Interchangeable Linear Bearings and Rails
editor by CX 2023-11-30