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Low Assembly EGW-CA/SA Series Linear Guideway

Home · Products · Linear Guideway · Low Assembly EGW-CA/SA Series Linear Guideway

Low Assembly EGW-CA/SA Series Linear Guideway

The EGW-CA/SA series linear guideway is a fusion product combining low-profile (low center of gravity) and wide-width designs. While significantly reducing the overall height of the slider to accommodate compact spaces, it substantially increases the width of both the guide rail and the slider. This unique "low and wide" structure gives it greater load capacity, higher rigidity, and superior resistance to torque compared to standard low-profile (EGH) guideways at the same height. It is specifically designed for special applications where space is limited but demanding load requirements exist.

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Technology

The core value of the EGW series lies in "exchanging width for height, and intelligence for space," achieving a performance leap in low-profile spaces.

Performance Dimensions	EGW-CA/SA Series (Low-profile, wide-width type)	EGH-CA/SA Series (Standard Low-Profile Model)	High-Assembly Wide-Span Type (HGW-CC/HC)	Core Values
Core Positioning	The heavy-duty specialist for compact spaces.	A versatile solution for compact spaces.	An ultra-heavy-duty solution with no height restrictions.	Resolving the design dilemma of achieving both compact dimensions and high performance.
Space and Structure	Low height, wide width. Maximises vertical space-saving whilst expanding horizontally to compensate for performance.	Low height, standard width.	Towering height, vast width.	Opening up new possibilities for highly sensitive, heavy-duty applications.
Load Capacity	High. The wide-width design increases the number of ball rows and contact area, resulting in a load capacity significantly higher than that of the EGH series of the same height, approaching or even matching the levels of some high-profile types.	Good.	Extremely tall.	Maximising load-bearing performance within limited height constraints.
Rigidity (Torque Resistance)	Strong. The widened design provides a larger moment arm for overturning resistance, delivering excellent lateral and torsional load rigidity.	Average.	Extremely strong.	Ensuring the dynamic stability of low-profile structures under off-centre loads.
Smooth Operation	Smooth. The combination of a wide support surface and a low centre of gravity ensures exceptionally smooth operation and excellent vibration resistance.	Good.	Exceptional.	Enhancing the dynamic precision of compact, heavy-duty equipment.
Application Scenarios	Compact motion units for large precision instruments, heavy-duty medical equipment, and space-constrained automated heavy-duty workstations.	Suitable for general-purpose small-scale automation, electronic equipment and light-duty instruments.	Large gantry machines, heavy machinery.	Filling the market gap where heavy-duty precision guidance was previously unachievable in confined spaces.

Main Technical Parameters and Design
1. Design:
Increasing the width to compensate for the structural strength and torque capacity potentially lost due to reduced height is a classic application of the "area moment of inertia" principle in engineering.
2. Performance Characteristics:
At the same height specifications (e.g., 15mm, 20mm), the EGW's guide rail width and slider width are both greater than the EGH.
Typically provides medium preload levels to ensure high rigidity even in compact spaces.
3. Key Selection Criteria:
Height is a hard constraint: Confirm the maximum total installation height allowed by the equipment.
Width is an opportunity: Given the height constraints, choose the widest possible EGW specification to obtain better load capacity and rigidity.
Comparative verification: Comparing the EGW's width-load curve with the EGH's height-load curve often reveals that EGW performs better at the same height.

Applications
The EGW-CA/SA series is an ideal choice for high-end applications where space and performance requirements are contradictory:
High-end semiconductor and panel equipment: Motion axes in photolithography machines and mass transfer equipment where height is limited but extremely high load and precision are required.
Heavy-duty medical imaging equipment: Precision slip rings or patient platforms in CT machines and MRI scanners that require large-range, stable, and low-profile movement.
Precision machining and inspection: Dual-exchange worktables in horizontal machining centers, and mobile bases for large precision optical inspection instruments.
Specialized automation: Automated assembly and testing platforms inside spacecraft or large vehicles where space is extremely valuable. The Low Assembly EGW-CA/SA Series Linear Guideway is a highly strategic product. It's not simply a variation in size, but a precisely engineered response to specific pain points in high-end markets. Choosing the EGW series means your equipment design faces the dual challenges of limited space and demanding performance requirements, and you've successfully found the optimal solution by selecting the most suitable technology. It represents the cutting edge of linear guidance technology, moving towards higher integration and better space utilization.

_Parameters

Model No.	Dimensions of Assembly (mm)			Dimensions of Block (mm)														Dimensions of Rail (mm)							Mounting Bolt for Rail	Basic Dynamic Load Rating	Basic Static Load Rating	Static Rated Moment(kgf.m）			Weight

	H	H1	N	W	B	B1	C	L1	L	K1	K2	G	M	T	T1	H2	H3	WR	HR	D	h	d	P	E	(mm)	C(kN)	C0(kN)	MR kN-m	Mp kN-m	MY kN-m	block kg	Rail kg/m
EGW15SA	24	4.5	18.5	52	41	5.5	-	23.1	41.1	14.8	3.5	5.7	M5	5	7	5.5	6	15	12.5	7.5	5.3	4.5	60	20	M4x16	5.35	9.40	0.08	0.04	0.04	0.12	1.25
EGW15CA							26	39.8	57.8	10.15																7.83	16.19	0.13	0.10	0.10	0.21
EGW20SA	28	6	19.5	59	49	5	-	29	51.2	18.75	4.15	12	M6	7	9	6	6	20	15.5	9.5	8.5	6	60	20	M5x16	7.23	12.74	0.13	0.06	0.06	0.19	2.08
EGW20CA							32	48.1	70.3	12.3																10.31	21.13	0.22	0.16	0.16	0.32
EGW25SA	33	7	25	73	60	6.5	-	35.5	59.7	21.9	4.55	12	M8	7.5	10	8	8	23	18	11	9	7	60	20	M6x20	11.40	19.50	0.23	0.12	0.12	0.35	2.67
EGW25CA							35	59	83.2	16.15																16.27	32.40	0.38	0.32	0.32	0.59
EGW30SA	42	10	31	90	72	9	-	41.5	71.9	26.75	6	12	M10	7	10	8	9	28	23	14	12	9	80	20	M8x25	16.42	28.10	0.40	0.21	0.21	0.62	4.35
EGW30CA							40	70	100.4	21.05																23.70	47.46	0.68	0.55	0.55	1.04
EGW35SA	48	11	33	100	82	9	-	45	75	28.5	7	12	M10	10	13	8.5	8.5	34	27.5	14	12	9	80	20	M8x25	22.66	37.38	0.56	0.31	0.31	0.84	6.14
EGW35CA							50	78	108	20																33.35	64.84	0.98	0.69	0.69	1.45