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SCE/EAJ-UU Series Aluminum Box Slide Unit

Home · Products · Linear Motion Slide Units · SCE/EAJ-UU Series Aluminum Box Slide Unit
  • SCE/EAJ-UU Series Aluminum Box Slide Unit
  • SCE/EAJ-UU Series Aluminum Box Slide Unit
SCE/EAJ-UU Series Aluminum Box Slide Unit

SCE/EAJ-UU Series Aluminum Box Slide Unit

The SCE/EAJ-UU series is a group of boxed ball slide units conforming to mainstream European industrial interface standards (Type E), encompassing two core types:
SCE-UU series: European standard interface fixed box unit. Provides ready-to-use, standardized, high-performance linear motion, with interfaces fully compatible with European automation components.
EAJ-UU series: European standard interface adjustable gap box unit. Based on the standard European unit, it adds a unique axial gap adjustment function, allowing users to fine-tune the preload according to actual working conditions, making it an ideal choice for achieving long-term zero-backlash transmission.

Inquiry
PREV: SCEL/EAJL-UU Series Slide Block Unit Next: SCEV-UU Series Ultra-short E-type Slide Unit

Technology

Core Features and Advantages Comparison

Feature Dimensions SCE-UU Series (European Standard Fixed Type) EAJ-UU Series (European Standard Adjustable) Core Values and Selection Guide
Core Positioning A universal, high-performance solution featuring standard European interfaces, ready for immediate use. A precision-enhanced solution featuring a standard European interface, with adjustable and serviceable precision. For applications requiring a European standard interface and stable operating conditions, choose SCE; for applications requiring a European standard interface and seeking zero backlash and a long service life, choose EAJ.
Interface Standardisation (Core Common Features) Strictly compliant with European standards. Mounting holes (such as top load mounting holes and motor flange interfaces), thread specifications and key dimensional tolerances are seamlessly compatible with automation components from leading European brands. Features a European interface identical to that of the SCE series. This fundamentally resolves compatibility issues when integrating with European-style servo motors, sensors, couplings and other components, thereby enhancing design efficiency and the overall professionalism of the system.
Core Structure and Functionality Integrated fixed European standard structure. Pre-adjusted at the factory; no clearance adjustment required during installation. Integrates a European interface with an adjustment screw. An adjustment hole is provided on the side of the European unit, allowing the internal wedge block to be fine-tuned using a tool to eliminate any play caused by installation or wear. Whilst offering the convenience of standard interfaces, the EAJ series empowers users to ‘proactively manage motion accuracy’.
Ease of Installation Extremely high. As a pre-assembled, standardised European standard unit, it requires virtually no adapters or modifications when used with European components, ensuring the fastest integration. High. Installation procedures are identical to those of the SCE series; simple clearance adjustment can be performed as required after installation. Both solutions significantly simplify the equipment assembly process for the European market.
System Rigidity High. The European standard design itself is structurally robust, and factory pre-tensioning ensures excellent rigidity. Adjustable to higher and more stable levels. Zero clearance can be achieved through adjustment, maintaining extremely high bidirectional rigidity during frequent forward and reverse rotation or when subjected to impact. For high-dynamic, high-precision European equipment, the EAJ’s zero-backlash advantage is a key differentiator.
Long-term Accuracy Retention Good. Excellent. The adjustable feature allows for the compensation of wear after prolonged use of the equipment, restoring optimal fit and significantly extending the unit’s effective precision lifespan. The EAJ series provides export equipment with a guaranteed long-term precision assurance, reducing overseas maintenance costs.
Typical Applications General-purpose automation equipment, packaging lines and measuring instruments exported to Europe. CNC machine tool accessories, precision assembly robots and semiconductor peripheral equipment exported to Europe. The EAJ is suitable for high-end European market applications with contract-level requirements for motion quality.

Technology Focus: The Dual Value of European Standard Interface and Adjustable Function
1. Practicality of the European Standard Interface:
Plug and Play: When connecting with European servo motors, the flange size, locating bore, and screw hole positions are perfectly matched, allowing for direct installation.
Accessory Ecosystem: The threaded hole grid on the top conforms to common European specifications, allowing for direct installation of European brand sensor brackets, limit switches, or protective covers.
Design Collaboration: Facilitates collaboration with R&D processes using European design software and standard parts libraries.
2. EAJ Series Adjustment Operation:
Use an Allen wrench to rotate the special adjustment screw on the side of the unit.
Clockwise rotation usually tightens (increases preload, reduces clearance).
Adjust until the slider moves smoothly without radial shaking for optimal performance.

Applications
SCE-UU series applications: Suitable for applications requiring integration with European systems and relatively stable motion conditions.
Production line modification modules in European factories.
Inspection and packaging equipment supporting European mainframes.

EAJ-UU series applications: Suitable for European standard equipment with stringent requirements for motion accuracy, rigidity, and long-term reliability.
Tool magazines and tool changing mechanisms for high-end European machine tools.
European standard Z-axis modules for precision optical inspection equipment.
Precision pressing units collaborating with European robots in automotive manufacturing.

The SCE/EAJ-UU series boxed slide units represent the mature concept of "global design, local adaptation." It eliminates the need to choose between "high performance" and "European market compatibility." Choosing the SCE series gives you a "standard passport" to enter the European market, enabling reliable integration with maximum efficiency.
Choosing the EAJ series, on the other hand, provides you with a "long-term precision visa" in addition to the "passport." Through its adjustable design, it ensures that your equipment maintains its excellent performance even after long-term operation in the European market, protecting your brand reputation and reducing service costs.

Parameters

Model No. Main dimensions and Mounting dimensions (mm) Weight
kg
Seal Type h D L W H G A E B C S1×e S2
SCE8S-UU SCE8S-AJ-UU 11  17  30  34  22  18  6  5  24  18  M4×8 3.4  0.098 
SCE10S-UU SCE10S-AJ-UU 13  20  35  40  26  21  8  6  28  21  M5×12 4.3  0.102 
SCE12S-UU SCE12S-AJ-UU 15  22  39  44  30  24.5  8  5.5  33  26  M5×12 4.3  0.12 
SCE16S-UU SCE16S-AJ-UU 19  25  44  50  38.5  32.5  9  7  36  34  M5×12 4.3  0.2 
SCE20S-UU SCE20S-AJ-UU 21  27  53  54  41  35  11  7  40  40  M6×12 5.2  0.27 
SCE25S-UU SCE25S-AJ-UU 26  38  67  76  51.5  42  12  11  54  50  M8×18 7  0.6 
SCE30S-UU SCE30S-AJ-UU 30  39  76  78  59.5  49  15  10  58  58  M8×18 7  0.776 
SCE40S-UU SCE40S-AJ-UU 40  51  90  102  78  62  20  11  80  60  M10×25 8.7  1.59 
SCE50S-UU SCE50S-AJ-UU 52  61  110  122  102  80  25  11  100  80  M10×25 8.7  3.34 
SCE60S-UU SCE60S-AJ-UU 58  66  137  132  114  94  30  12  108  90  M12×25 10.7  4.8 

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