Product Description

Product Description

GZB roller linear CZPT uses the roller to replace the ball, and the contact mode between the rollers and the raceway changes from point contact to linear contact, which greatly improves the rigidity of the rolling linear CZPT and enables the machine to maintain higher accuracy.GZB roller heavy loading linear CZPT contact angle between roller and raceway is 45°, so it has equal load in 4 directions.Roller cage prevents roller deflecting motion and moves stably. At the same time, it forms the oil film contact between roller and cage, avoid friction among rollers, reduce the heat roller and cage, avoid friction among rollers, reduce the heat precision movement.
 

Brand AZI China
Model GGB,GZB,GGY,GGC
Style With Flange or not
Accuracy 1,2,.3,4,5
Packing Cartons or wooden boxes
Delivery time 10~45days
Samples According to customer needs

Ball type:GZB25 - GZB125
Normal accuracy is interchangeable
Maximum motion accuracy 0.004/1000
Can meet the fast delivery
Max. Single length 6m
Max. single block load capacity is 192 tons
It's widely used in power tool,spinning lathe,make-up machine and other heavy equipments

Product Parameters

Structure

Scope of application

Machining center,NC Lathe machine Grinding machine,Heavy machine.

GZB BA/BAL Rail size

Spec. Dimension of saaembly Dimension of rail Smallest end size Rail weight
H W1 B H0 dxD1xh F Max. single length Lmax a kg/m
GZB25BA
GZB25BAL
40 12.5 23 24 7x11x9 30 6000 10 3.2
GZB30BA
GZB30BAL
45 16 28 29.5 9x14x12 40 6000 13 4.5
GZB35BA
GZB35BAL
55 18 34 31.2 9x14x12 40 6000 13 5.9
GZB45BA
GZB45BAL
70 20.5 45 38 14x20x17 52.5 6000 15 10
GZB55BA
GZB55BAL
80 23.5 53 44 16x23x20 60 6000 15 13.3
GZB65BA
GZB65BAL
90 31.5 63 55 18x26x22 75 6000 20 20.3
GZB85BAL 110 35.5 85 73 24x35x28 90 6000 25 35.2
GZB100BAL 120 50 100 80 26x39x32 105 6000 30 46.8
GZB125BAL 160 57.5 125 115 33x48x45 120 6000 35 84.6

GZB BA/BAL Block size

Spec. Dimension of block Dynamic load rating Static load rating Block weight
k W L4 CW L Mxh1 T L2 H1 C(kN) C0(kN) kg
GZB25BA
GZB25BAL
35.5 48 100
120.4
35 35
50
M6x8 9.5 66
86.4
4.5 27.7
33.4
57.1
73.4
0.5
0.7
GZB30BA
GZB30BAL
39 60 109.8
131.8
40 40
60
M8x10 10 71
93
6 38.9
49
82.5
104.5
0.8
1.1
GZB35BA
GZB35BAL
48.5 70 124
151.5
50 50
72
M8x12 12.5 79
106.5
6.5 57.9
73
106
141.9
1.4
1.7
GZB45BA
GZB45BAL
62 86 154.6
188.8
60 60
80
M10x18 15 107.6
141.8
8 92.6
116
179
230.9
3
4
GZB55BA
GZB55BAL
70 100 178.3
226.6
75 75
95
M12X18 18 125.5
173.8
10 130
168
258
360
3.8
5.1
GZB65BA
GZB65BAL
76 126 219.2
279.2
76 70
120
M16x20 23 147
207
14 212
275
378.8
530.4
6.3
8.9
GZB85BAL 95 156 349 100 140 M18x25 30 254 15 460 945.2 14.7
GZB100BAL 105 200 394 130 200 M20x27 33 286 15 547 1330 24.5
GZB125BAL 135.5 240 491 184 205 M24x30 40 360 24.5 1040 1924 84.6

If you have any needs,pls feel free to contact us and we will send you our catalog for reference.

Main Products

Company Profile

FAQ

1. Why choose AZI China?
With more than 60 years of production experience, quality assurance,factory directly price.

2. What is your main products ? 
Our Main products are consist of ball screw,linear guide,arc linear guide,ball spline and ball screw linear CZPT rail module.

3. How to Custom-made (OEM/ODM)?
If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.

4. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.

5. How can I get a sample to check the quality?
We quote according to your drawing, the price is suitable, sign the sample list.

6What's your payment terms?
Our payment terms is 30% deposit,balance against receiving copy of B/L or L/C sight.

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Application: Warehouse Crane, Shipboard Crane, Goods Yard Crane, Building Crane, Workshop Crane
Material: 100cr6
Carrying Capacity: Customized
Running Mode: Moving
Feature: Insulating, Antiseptic
Certification: ISO 9001:2000
Samples:
US$ 10/Set
1 Set(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

cross roller bearing

Can you provide examples of scenarios where precision and rigidity are crucial with cross roller bearings?

Precision and rigidity are critical requirements in various scenarios where cross roller bearings are employed. These bearings excel in applications that demand accurate motion control, minimal deflection, and high stiffness. Here are some examples of scenarios where precision and rigidity are crucial with cross roller bearings:

  • Robotic Arm Joints:
  • Robotic arm joints require precise and repeatable motion for tasks such as pick-and-place operations, assembly, and welding. Cross roller bearings provide the necessary rigidity to withstand the loads and maintain accurate positioning, ensuring smooth and controlled movement of the robotic arm.

  • Machine Tool Spindles:
  • In machine tools, such as milling machines and lathes, the spindle's precision and rigidity are crucial for achieving accurate and high-quality machining. Cross roller bearings used in machine tool spindles enable precise rotation with minimal deflection, ensuring the accuracy and surface finish of the machined components.

  • Precision Optical Instruments:
  • In precision optical instruments like telescopes and microscopes, cross roller bearings are employed in stages and mounts to enable precise positioning and alignment. The rigidity of these bearings ensures stability and eliminates unwanted vibrations, allowing for clear and accurate observations or measurements.

  • Coordinate Measuring Machines (CMMs):
  • CMMs are used for dimensional inspection and measurement of complex parts. Cross roller bearings are crucial in the moving stages of CMMs, providing the necessary rigidity and precision to accurately position the probing system. This ensures precise and repeatable measurements with high accuracy.

  • Semiconductor Wafer Handling:
  • In semiconductor manufacturing, cross roller bearings are used in wafer handling robots and stages. These bearings enable precise and controlled motion during wafer loading, alignment, and transfer. The rigidity of cross roller bearings ensures accurate positioning of wafers, critical for the manufacturing of integrated circuits with nanoscale precision.

  • Aircraft Control Surfaces:
  • Aircraft control surfaces, such as ailerons, elevators, and rudders, require precise and responsive movement for safe and efficient flight control. Cross roller bearings are employed in the hinge mechanisms of these control surfaces, providing the necessary rigidity and accuracy to ensure precise control inputs and aerodynamic stability.

  • Surgical Robots:
  • In surgical robots, precision and rigidity are crucial for performing delicate and precise surgical procedures. Cross roller bearings are used in robotic joints and arms to enable precise and controlled movement of surgical tools. The rigidity of these bearings ensures accurate positioning and minimizes any unintended motion during surgery.

  • Solar Tracking Systems:
  • In solar tracking systems, which orient solar panels to maximize energy capture, precision and rigidity are essential for accurate tracking throughout the day. Cross roller bearings used in solar tracking systems provide the necessary stiffness to withstand wind loads and maintain precise alignment, optimizing energy generation from sunlight.

In summary, precision and rigidity are crucial in scenarios where cross roller bearings are utilized. Examples include robotic arm joints, machine tool spindles, precision optical instruments, coordinate measuring machines, semiconductor wafer handling, aircraft control surfaces, surgical robots, and solar tracking systems. In these applications, cross roller bearings ensure accurate motion control, minimal deflection, and reliable performance, allowing for precise operations, measurements, and control in various industries.

cross roller bearing

What considerations are important when selecting the appropriate size and material for a cross roller bearing?

When selecting the appropriate size and material for a cross roller bearing, several considerations are crucial to ensure optimal performance and longevity. The following factors should be taken into account:

  • Load Requirements:
  • Determine the expected load that the bearing will need to support. Consider both the magnitude and direction of the load, including radial, axial, and moment loads. Cross roller bearings are known for their high load capacity in all directions, but it is important to select a size and material that can handle the specific load requirements of the application.

  • Space Limitations:
  • Consider the available space for the bearing within the application. Cross roller bearings have a compact design, but it is essential to choose a size that fits within the allotted space while allowing for proper clearance and mounting considerations. Take into account the dimensions of the bearing, including inner and outer diameters, width, and overall profile.

  • Rotational Speed:
  • Determine the rotational speed at which the bearing will operate. Different materials and designs have specific limitations on rotational speed due to factors such as heat generation, lubrication requirements, and the potential for dynamic effects like centrifugal forces. Select a bearing size and material that can safely accommodate the anticipated rotational speed without compromising performance or causing premature wear.

  • Accuracy and Precision:
  • Consider the required level of accuracy and precision for the application. Cross roller bearings are known for their excellent positioning accuracy and low friction characteristics. However, different designs and materials may offer varying levels of precision. Determine the specific tolerance and precision requirements of the application and select a bearing that can meet those criteria.

  • Environmental Conditions:
  • Evaluate the environmental conditions in which the bearing will operate. Factors such as temperature, humidity, exposure to chemicals or corrosive substances, and the presence of contaminants can influence the choice of bearing material. Select a material that can withstand the specific environmental conditions of the application to ensure optimal performance and longevity.

  • Maintenance and Service Life:
  • Consider the desired maintenance requirements and service life expectations. Some bearing materials may require more frequent lubrication or maintenance than others. Additionally, different materials and designs have varying levels of durability and service life. Assess the maintenance capabilities and resources available and select a bearing that aligns with the desired maintenance schedule and service life requirements.

  • Budget and Cost:
  • Take into account the budget and cost considerations. Different bearing sizes and materials may have varying price points. Balance the desired performance and longevity with the available budget to select a bearing that offers the best value for the specific application.

By carefully considering these factors, it is possible to select the appropriate size and material for a cross roller bearing that meets the specific requirements of the application. Choosing the right bearing will help optimize performance, ensure reliability, and extend the service life of the bearing in the given application.

cross roller bearing

What factors should be considered when selecting a cross roller bearing for a specific application?

When selecting a cross roller bearing for a specific application, several factors need to be carefully considered. These factors ensure that the chosen bearing meets the requirements of the application in terms of performance, reliability, and longevity. Here are the key factors to consider when selecting a cross roller bearing:

  • Load Requirements:
  • First and foremost, the load requirements of the application must be assessed. Consider the magnitude and direction of the loads, including radial, axial, and moment loads. Determine the maximum load capacity needed and ensure that the selected cross roller bearing can handle the anticipated loads without excessive deflection or premature failure.

  • Precision and Accuracy:
  • If the application requires precise positioning or motion control, the level of required precision and accuracy should be evaluated. Cross roller bearings are known for their excellent rotational accuracy, but the specific requirements of the application should be matched with the bearing's precision level. Consider factors such as the permissible deviation, repeatability, and smoothness of operation.

  • Space Limitations:
  • Assess the available installation space in the application. Cross roller bearings are compact and space-saving, making them suitable for applications with limited space. Measure the dimensions and ensure that the selected bearing can be accommodated without interference or compromising other components.

  • Environmental Conditions:
  • Consider the environmental conditions in which the cross roller bearing will operate. Evaluate factors such as temperature, humidity, dust, chemicals, and potential exposure to contaminants. Choose a bearing that is designed to withstand the specific environmental conditions to ensure optimal performance and longevity.

  • Speed and Acceleration:
  • Assess the required speed and acceleration parameters of the application. Cross roller bearings have speed limitations, and exceeding these limits can lead to increased friction, heat generation, and premature wear. Consider the rotational speed and acceleration requirements and select a bearing that can operate within the desired speed range without compromising performance or reliability.

  • Mounting and Integration:
  • Consider the mounting and integration aspects of the cross roller bearing. Evaluate the mounting method, available space for mounting components, and the overall system design. Ensure that the selected bearing can be easily integrated into the application with appropriate mounting options and compatibility with other system components.

  • Maintenance and Service Life:
  • Assess the maintenance requirements and expected service life of the cross roller bearing. Consider factors such as lubrication needs, accessibility for maintenance, and the desired operating lifespan. Choose a bearing that aligns with the maintenance capabilities and longevity expectations of the application.

  • Cost and Availability:
  • Evaluate the cost-effectiveness and availability of the cross roller bearing. Consider the budget constraints of the application and compare the pricing of different bearing options. Additionally, ensure that the selected bearing is readily available from reliable suppliers to avoid delays or difficulties in sourcing replacements or spare parts.

By carefully considering these factors, it is possible to select the most suitable cross roller bearing for a specific application. Taking into account the load requirements, precision needs, space limitations, environmental conditions, speed and acceleration parameters, mounting considerations, maintenance requirements, and cost-effectiveness ensures that the chosen bearing will deliver optimal performance, reliability, and longevity in the intended application.

China Good quality Supplier 30mm Linear Guide Rail Lineair Cross Roller Guide China Bearing Steel 1/2/3/4/5/6 Gzb25ba/Bal   bearing airChina Good quality Supplier 30mm Linear Guide Rail Lineair Cross Roller Guide China Bearing Steel 1/2/3/4/5/6 Gzb25ba/Bal   bearing air
editor by CX 2024-04-11