QHH20CA1R460ZAC

QHH20CA1R460ZAC Silent  Heavy Load Ball Type Linear Guideway
$137.90 /Each    info

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Overview

Part Number QHH20CA1R460ZAC
Brand: LILY Brand: LILY Interchangeable With: HIWIN

Characteristics

System of Measurement Metric
Series Silent Heavy Load Ball Type Linear Guideway
Assembly Type High Assembly
Block Model QHH20CAZAC
Block Type Square Type
Load Type Heavy Load
Rail Mounting Type Locking(R)
Mounting Hole Size (M) M5*6
Number of blocks 1
Standard Lubrication Nipple M6*0.75P
Rail Model HGR20R460C
Rail Fixing Bolt Hole (mm) M5*16
Number of Rail Holes 8

Dimensions

Size 20 mm
Assembly Height (H) 30 mm
Distance from Block Bottom to Rail Bottom (H1) 4.6 mm
Distance from Both Sides of Rail to Both Sides of Block (N) 12 mm
Block Width (W) 44 mm
Block Mounting hole Width (B) 32 mm
Distance from Mounting Hole Center to Block Edge (B1) 6 mm
Grease Nipple Length (G) 12 mm
Block Mounting hole Length (C) 36 mm
Block Length (L) 76.7 mm
Rail Length 460 mm
Rail Width (WR) 20 mm
Rail Height (HR) 17.5 mm
Outer Diameter (D) 9.5 mm
Hole Depth (h) 8.5 mm
Inner Diameter (d) 6 mm
Pitch (P) 60 mm
End Distance (E) 20/20 mm

Performance

Accuracy Classs Normal C
Preload Code ★Z0-Light Preload 0~0.02 of dynamic raled load
★ZA-Medium Preload0.05~0.07 of dynamic rated load
★ZB-Heavy Preload0.10~0.12 of dynamic rated load
Basic Dynamic Rated Load (C) 30 kN
Basic Static Rated Load (C0) 33.86 kN
Static Rated Moment (MR) 0.26 kN-m
Static Rated Moment (MP) 0.19 kN-m
Static Rated Moment (MY) 0.19 kN-m

Properties

Block weight 0.29 kg
Rail weight 2.21 kg/m
QHH20CA1R460ZAC Silent  Heavy Load Ball Type Linear Guideway data sheet
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CAD1

The Silent Heavy Load Ball Type Linear Guideway features a Square Type block, characterized by its symmetrical, cube-like profile that delivers exceptional rigidity and the ability to withstand high loads from multiple directions — including radial, reverse, and lateral forces. Combined with its advanced noise-reduction design that ensures exceptionally quiet and smooth linear motion even under heavy load conditions, the Square Type block makes it the ideal choice for demanding industrial applications such as precision CNC machining centers and heavy-duty automation systems where high load capacity, structural stability, and minimal noise are all simultaneously required.

 

The Silent Heavy Load Ball Type Linear Guideway is designed for Heavy Load applications, capable of withstanding exceptionally high radial, lateral, and reverse loads simultaneously. Combined with its advanced noise-reduction design that ensures exceptionally quiet and smooth linear motion even under the most demanding load conditions, it makes the ideal choice for precision industrial applications such as CNC machining centers and heavy-duty automation systems where high load capacity, structural robustness, and minimal noise are all simultaneously required.

 

The Silent Heavy Load Ball Type Linear Guideway features a High Assembly type, characterized by its elevated mounting configuration that positions the rail and block at a greater installation height, providing enhanced structural rigidity and superior load-bearing capacity. Combined with its advanced noise-reduction design that ensures exceptionally quiet and smooth linear motion even under heavy load conditions, the High Assembly type makes it the ideal choice for demanding industrial applications such as large-scale CNC machining centers and heavy-duty automation systems where maximum structural performance, installation flexibility, and minimal noise are all simultaneously required.

 

What is the defining characteristic of the Square Type block in a Silent Heavy Load Ball Type Linear Guideway?

The Square Type block is defined by its symmetrical, cube-like profile that maintains an equal height and width dimension, creating a highly balanced and rigid structure. In the context of the Silent Heavy Load guideway, this square profile works in conjunction with the advanced noise-reduction design to deliver exceptional rigidity, multi-directional heavy load resistance, and exceptionally quiet smooth motion — making it uniquely capable of meeting the simultaneous demands of high load capacity and silent operation in precision industrial environments.

 

What are the typical applications best suited for a Heavy Load rated Silent Heavy Load Ball Type Linear Guideway?

Heavy Load rated Silent Heavy Load guideways are ideally suited for precision CNC machining centers performing heavy cutting operations in noise-sensitive environments; large-scale semiconductor manufacturing equipment where heavy assemblies must be moved silently and with exceptional accuracy; heavy-duty medical imaging and surgical equipment where high load capacity and silent operation are simultaneously critical; advanced optical manufacturing systems where heavy optical assemblies require vibration-free and quiet linear motion; and heavy-duty industrial automation systems in noise-regulated environments where maximum load capacity and minimal operational noise must be achieved simultaneously.

 

How does the High Assembly type contribute to the noise-reduction performance of the Silent Heavy Load guideway?

The High Assembly type's greater block height provides increased internal space for advanced noise-reduction components and optimized ball circuit geometry, allowing the guideway to more effectively dampen vibration and minimize ball impact forces even under heavy load conditions. The elevated mounting configuration also increases the distance between the rail base and the moving load, providing a greater moment arm that helps absorb and dissipate dynamic forces before they can be transmitted as vibration and noise into the machine structure, directly enhancing the silent operation characteristic of the guideway.

 

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