DC Electric Drive Drilling Rig

No matter new customer or old customer, We believe in long term and trusted relationship for Crane Used Electric Hydraulic Thrusters, Electric Hydraulic Drum Type Brake, CQP Pneumatic Disc Brake Caliper. Customer satisfaction is our driving force, please feel free to contact us! Please feel free to contact us for more information, we assure you of our best attention at all times.

ZWZA series DC electromagnetic drum brake
Brake mounting dimensions and brake torque parameters are in line with: JB/ zq4386-1997 standard, and technical requirements are in line with JB/ t7685-2006 standard.

Conditions of use:
Ambient temperature: -25℃ -40℃
Operation frequency is less than 720c/h.
The altitude of the site shall not exceed 2000m.
The surrounding working environment has no explosion risk of medium and enough to corrode the metal and damage the insulation of gas and conductive dust.
In the air relative humidity is not more than 90% of the indoor or with anti - snow device.
The power supply voltage is DC110V or DC220V. If the user has special requirements, please confirm it through negotiation when ordering.

ORDERING CODE

Technical parameters and dimensions table
Unit: (mm)

Type	braking torque(Nm)							D	h1	K	i	d	h2	b	F	G1 ___ G2	G3	A	E	H	M	m	Shoe clearance (Max.)	S ___ Smax	Weight (kg)
	shunt winding			Series coil
				60% rated current		40% rated current
	Power duration			Power duration
	25%	40%	100%	25%	40%	25%	40%
ZWZa-400	1500	1200	550	1500	1200	900	550	400	320	170	90	28	90	180	170	305 415	130	540	390	670	320	355	1.5	2 3	168
																415								3
ZWZa-500	2500	1900	850	2500	1900	1500	1000	500	400	205	100	28	115	200	190	370	155	605	465	825	340	438	1.75	2.3	339
																475								3.5
ZWZa-600	5000	3550	1550	5000	3550	3000	2050	600	475	250	126	42	140	240	230	450	180	690	570	965	420	500	2	2.7	500
																565								4
ZWZa-700	8000	5750	2800	8000	5750	4800	3250	700	550	305	150	42	172	280	270	515	235	780	645	1115	480	577	2.25	3	689
																625								4.5
ZWZa-800	12500	9100	4400	12500	9100	7500	5550	800	600	350	180	42	176	320	300	580	290	855	710	1250	540	650	2.5	3.3	881
																700								5

Our DC Electric Drive Drilling Rig is stable, safe and reliable, complete in specifications and diverse in variety. We uphold and carry forward the spirit of daring to be the first in the world to explore the development of the industry with revolutionary and leaping innovative ideas. We believe that a sound competition mechanism is an accelerator for our further development. Therefore, we advocate positive, open, fair and just competition among employees.

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