EPWG Series Helical-Worm Gear Units

Raydafon Group's EPWG Series Helical-Worm Gear Units deliver unmatched precision and durability for industrial applications, seamlessly integrating helical and worm gear technologies to optimize torque transmission and reduce noise. These units are ideal for engineers and manufacturers seeking reliable, high-efficiency motion control solutions in automation, packaging, and material handling, offering superior load capacity, energy savings, and extended service life. Experience enhanced performance and peace of mind with Raydafon's innovative design, setting a new standard for durability and quiet operation in demanding environments.

Worm Helical Gearbox Configuration and Combination

Size	PAM	N	M	P	D
Size	IEC	N	M	P	80	100	125	150	200	250	300	400	800	1000	1200	1600	2000	2400	3200	4000
50	56B14	50	65	80							9	9	9	9	9	9	9
63	63B5	95	115	140	11	11	11	11	11	11	11
	63B14	60	75	90	11	11	11	11	11	11	11
	56B5	80	100	120	9	9	9	9	9	9	9	9	9	9	9	9	9	9
	56B14	50	65	80	9	9	9	9	9	9	9	9	9	9	9	9	9	9
75	71B5	110	130	160	14	14	14	14	14	14
	71B14	70	85	105	14	14	14	14	14	14
	63B5	95	115	140	11	11	11	11	11	11	11
	63B14	60	75	90	11	11	11	11	11	11	11
	56B5	80	100	120		9	9	9	9	9	9	9	9	9	9	9	9	9	9
90	80B5	130	165	200	19	19	19	19
	80B14	80	100	120	19	19	19	19
	71B5	110	130	160	14	14	14	14	14	14	14
	71B14	70	85	105	14	14	14	14	14	14	14
	63B5	5	115	140	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
110	90B5	130	165	200	24	24	24
	90B14	95	115	140	24	24	24
	80B5	130	165	200	19	19	19	19	19	19	19
	80B14	80	100	120	19	19	19	19	19	19	19
	71B5	110	130	160	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14
	71B14	70	85	105	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14

There are common ratios listed in the table,by changing the worm gear ratio and vice combined gear ratio to achieve more ratiosLarge ratio(i≥400)gearbox output torque greater final stage gear maximum carrying capacity, therefore gearboxload cannot be larger than performance parameters maximum torque.

EPWG50:125N.m EPWG63:200N.m EPWG75:299N.m EPWG90:416N.m EPWG110:915N.m

EPWG Series Helical-Worm Gear Reducer Dimensions

	50	63	75	90	110
A	71.5	75.5	90	101	128.5
M	85	95	115	130	165
KE	M8×14[n=4]	M8×14[n=6]	M8×14[n=6]	M10×18[n=6]	M10×18[n=6]
h	8	10	12	13	16
T	77	97	105	122	131

EPWG Series Helical-Worm Gear Units Features

The first-stage transmission of the worm helical gearbox uses a worm gear and worm, offering a significant reduction ratio (up to 4000 in total). Compared to the RDF-MRV series, the RDF-WG series helical worm gearmotor features a greater reduction ratio, output torque, and efficiency. Its external dimensions are nearly identical to the RDF-NMRV series, and the installation method is also similar. The diameter of the hollow output shaft remains the same as in the standard RDF-NMRV series reducer, and it is compatible with all accessories from the RDF-NMRV series. EPWG Series Helical-Worm Gear Units

Rotation Direction of Helical Worm Gear Units Reducer

What Does a Worm Gear Speed Reducer Do?

A worm gear speed reducer is a mechanical device that uses a worm and a gear to achieve a reduction in speed and an increase in torque. The worm is a screw-like component that meshes with a gear, allowing for significant gear reduction in a compact space. This type of reducer is particularly effective in applications requiring high torque at low speeds. When power is applied to the worm, it turns the gear, which in turn drives the output shaft at a reduced speed. The unique design also provides a locking feature, preventing back-driving, making it suitable for applications like lifts and conveyors where safety and stability are paramount. Additionally, worm gear speed reducers are known for their smooth operation and durability, making them ideal for various industrial applications, including robotics, automotive, and heavy machinery.

What Size Are Worm Gear Reducers?

Worm gear reducers come in various sizes, accommodating a wide range of applications. The size of a worm gear reducer is typically determined by its gear ratio, output torque, and the physical dimensions of the components. Gear ratios can vary significantly, often ranging from 5:1 to over 100:1, depending on the specific requirements of the application. The physical dimensions can also vary, with reducers available in compact sizes for tight spaces and larger configurations for high-torque applications. When selecting a worm gear reducer, it's crucial to consider factors such as mounting options, input/output shaft sizes, and environmental conditions to ensure compatibility with the intended machinery or system. EPWG Series Helical-Worm Gear Units

How Do You Reduce Backlash in Worm Gear?

Reducing backlash in worm gear systems is essential for improving precision and performance in mechanical applications. Backlash is the slight gap between the gear teeth that can lead to delayed movement or lost motion when changing directions. To minimize backlash, several strategies can be employed. First, precise machining and tighter tolerances during manufacturing can help ensure a better fit between the worm and gear. Additionally, using a high-quality lubricant can reduce friction, allowing for smoother engagement of the teeth. Implementing a preload mechanism, where the gears are slightly pressed together, can also help minimize backlash by eliminating the gap. Lastly, considering designs with a higher number of teeth on the worm gear can distribute the load more evenly, further reducing the impact of backlash in the system.

About Us

At Raydafon, we are proud to be a leading manufacturer of helical worm gear reducers, delivering exceptional quality and performance tailored to our customers' needs. With extensive industry experience and a team of dedicated professionals, we have built a strong reputation for reliability and excel