QEW15CA1U820ZAC
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Overview |
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| Part Number | QEW15CA1U820ZAC |
Brand: LILY ![]() |
Interchangeable With: HIWIN |
Characteristics |
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| System of Measurement | Metric |
| Series | Silent Low Assembly Ball Type Linear Guideway |
| Assembly Type | Low Assembly |
| Block Model | QEW15CAZAC |
| Block Type | Flange Type |
| Load Type | Heavy Load |
| Rail Mounting Type | Locking(U) |
| Mounting Hole Size (M) | M5 |
| Number of blocks | 1 |
| Standard Lubrication Nipple | M4*0.7P |
| Rail Model | EGR15U820C |
| Rail Fixing Bolt Hole (mm) | M4*16 |
| Number of Rail Holes | 14 |
Dimensions |
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| Size | 15 mm |
| Assembly Height (H) | 24 mm |
| Distance from Block Bottom to Rail Bottom (H1) | 4 mm |
| Distance from Both Sides of Rail to Both Sides of Block (N) | 18.5 mm |
| Block Width (W) | 52 mm |
| Block Mounting hole Width (B) | 41 mm |
| Distance from Mounting Hole Center to Block Edge (B1) | 5.5 mm |
| Grease Nipple Length (G) | 5.7 mm |
| Block Mounting hole Length (C) | 26 mm |
| Block Length (L) | 56.8 mm |
| Rail Length | 820 mm |
| Rail Width (WR) | 15 mm |
| Rail Height (HR) | 12.5 mm |
| Outer Diameter (D) | 7.5 mm |
| Hole Depth (h) | 5.3 mm |
| Inner Diameter (d) | 4.5 mm |
| Pitch (P) | 60 mm |
| End Distance (E) | 20/20 mm |
Performance |
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| Accuracy Classs | Normal C |
| Preload Code | ★Z0-Very Light Preload 0~0.02 Dynamic Rated Load ★ZA--Light Preload0.03~0.05 of dynamic rated load ★ZB-Medium Preload0.06~0.08 of dynamic rated load |
| Basic Dynamic Rated Load (C) | 12.53 kN |
| Basic Static Rated Load (C0) | 15.28 kN |
| Static Rated Moment (MR) | 0.12 kN-m |
| Static Rated Moment (MP) | 0.09 kN-m |
| Static Rated Moment (MY) | 0.09 kN-m |
Properties |
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| Block weight | 0.21 kg |
| Rail weight | 1.23 kg/m |
The Silent Low Assembly Ball Type Linear Guideway features a Flange Type block, characterized by its extended flange base that provides a wider mounting surface, delivering enhanced stability and superior resistance to overturning moments. Combined with its low assembly configuration and advanced noise-reduction design that ensures exceptionally quiet and smooth linear motion, the Flange Type block makes it the ideal choice for precision industrial applications such as semiconductor manufacturing equipment and medical device assembly systems where a compact footprint, secure mounting, minimal noise, and high structural performance are all simultaneously required.
The Silent Low Assembly Ball Type Linear Guideway is designed for Heavy Load applications, capable of withstanding exceptionally high radial, lateral, and reverse loads simultaneously. Combined with its low assembly configuration and advanced noise-reduction design that ensures exceptionally quiet and smooth linear motion, it makes the ideal choice for precision industrial applications such as semiconductor manufacturing equipment and medical device assembly systems where a compact footprint, minimal noise, and high load capacity are all simultaneously required.
How does the Flange Type block contribute to the noise-reduction performance of the Silent Low Assembly guideway?
The Flange Type block's wider mounting base provides a more secure and rigid connection between the block and the machine structure, effectively dampening vibration transmission from the guideway to the surrounding machine components during operation. This enhanced mounting rigidity directly complements the guideway's advanced noise-reduction design, as structural vibration transmitted through loose or inadequate mounting interfaces is a significant source of operational noise. The broad flange contact area absorbs and dissipates dynamic forces more effectively than a narrower mounting configuration, contributing to the exceptionally quiet motion characteristic that defines the Silent Low Assembly guideway.
What are the typical applications best suited for a Heavy Load rated Silent Low Assembly Ball Type Linear Guideway?
Heavy Load rated Silent Low Assembly guideways are ideally suited for demanding applications that simultaneously require high load capacity, compact installation height, and quiet operation — a combination that few guideway solutions can provide. Typical applications include heavy-duty semiconductor manufacturing equipment where large wafer handling assemblies exert significant loads while strict noise limits must be observed; precision medical imaging and surgical equipment where heavy components must be moved silently and accurately; high-precision CNC machining centers in noise-sensitive environments where heavy cutting forces must be managed within a compact guideway system; advanced optical manufacturing equipment where heavy optical assemblies require precise, vibration-free, and silent linear motion; and clean room automation systems handling heavy payloads where both noise control and compact installation are critical operational requirements.





