ZWZA&ZWZB Series DC Electromagnetic Drum Brakes

1.Introduction
ZWZA.ZWZB Series DC electromagnetic drum brakes
Original:He Nan, China
Certification: ISO9001, ISO14001, OHSAS18001, TX, EX, MA etc
Packing: export standard
Max. Drum Diameter(mm) 800
Max. Brake Torque (Nm) 10000
Operating Condition" Ambient temperature: -5°C~+40°C ;
Relative humidity:=90%;
Operating duty: intermittent (S3-25%,40%, 60%=720/h) and continuous (S1-100%).
Power:DC 110V, 220V, 440V
MWZ brakes are DC power 220V rated voltage
Special requirements can be discussed in order.

2.Application:
ZWZA ZWZB series of DC electromagnetic drum brakes is mainly used for the lifting of the electromagnetic and DC drive or DC power grid, the deceleration of the various agencies in the port handling and metallurgical machinery and parking brake for a variety of exchange-driven crane, port handling and metallurgical machinery is not recommended to use.

MWZ electromagnetic drum brake is complied with JB/ZQ4388-86 standard
3. Main Feature
1) the main fixed hinge point equipped with self-lubricating bearings, high transmission efficiency, long life, the use of the process without lubrication;
2) Interlocking clearance balancing device can always keep both sides of the shoe clearance equalization, be completely avoided due to retire from the uneven brake pads at the side of sticking to brake the wheel phenomenon;
3) the brake pads for the card installed, the overall shape of the structure, replacement is very convenient, fast, with semi-metallic (asbestos-free) of hard and semi-rigid, soft (including asbestos, asbestos-free), the braking of different materials pad for the user to select;
4) Brake spring arrangement in the square tube with a ruler, users can easily read out the braking torque value, which eliminates the trouble of measuring and calculating.

4. Standards compliant
1, ZWZA series of DC electromagnetic drum brake connection dimensions and braking torque parameters in line with JB/ZQ4388-86 standards, technical requirements in line with the JB/T7685-2006 standard. This series is mainly used to replace the original the ZWZ a series of old products;
2. Series of DC 2, ZWZB of electromagnetic drum brakes comply with GB6334-86 standard connection dimensions and braking torque parameters and technical requirements to meet the JB/T7685-2006 standard. This series is mainly used to replace the original ZWZ3, ZWZ3A series of old products.

5. ZWZA?ZWZB Technical parameters

Main Technology parameters of ZWZA, ZWZB series brakes

Technical parameter of ZWZA,ZWZB

6.FAQ
1. Are you a manufacturer, trading company or a third party?
We are a manufacturer, and we have builded up our company since 2004.
2. Where is your factory located?
Our factory address is: Weizhuang industrial Park Changyuan County Xinxiang City, Henan Province, China.
3. How can i get to your factory?
Our factory is near zhengzhou Airport, we can pick you up in the airport.
4. If i will need to stay in your place for few days, is that possible to book the hotel for me?
It's always my pleasure, hotel booking service is available.
5. What is your minimum order quantity, can you send me samples?
Our minimum quantity is 1 set, as our product is machinery equipment, it's difficult to send you samples, however, we can send you catalog, warmly welcome you to come visit our company.
6. Which level of quality are your products?
We have got  ISO9001, ISO14001, OHSAS18001, TX, EX, MA etc certificate so far.
7. What is the delivery time of your machine?
In general, the delivery time of our machine is about 7 days, customized machine will be delivered as the negotiation with our clients.
8. Can the machine be customized as our need, such as put on our logo?
Surely our machine can be customized as your need, Put on your logo is also available.
9. As the shipping period will take long time, how can you make sure the machine won't be broken?
Our machine is film wrapped, to make sure the machine can be delivered to our customer smoothly, we will use the steel wire to fix the machine with the container.
10. May i know which payment will be accepted by your company?
So far 100%T/T before shipment, and 30% deposit paid by T/T, balance paid by L/C are available.
11. About the after-sale service, how can you solve the problems occurred of your overseas customer in time?
The warranty of our machine is normally 12 months, during this period, we will arrange the international express immediately, to make sure the replace parts to be delivered as soon as possible.
12. After we placing an order, will you arrange the installation of the machine at present?
All the machines will be tested well before delivered, so almost of them can be used directly, also our machine are easy to be installed, if you customer needs our assistance, we will be pleased to arrange the installation, but all the cost will be be charged by you.
13. How can i get the after-service?
A: We will send you the spare parts by free if the problems caused by us.
If it is the men-made problems,we also send the spare parts,however it is charged. Any problem, you can call us directly.
14.How can i trust your company?
With 20-years-professional design, we can provide you suitable suggestion and lowest price
1. Assessed by third party, national patents and ISO for all equipment.
2. For our machine, we do very well on belt transport,port handling, hoisting, metallurgical, mining and building machinery..
15.Is your price competitive?
Only good quality machine we supply. Surely we will give you best factory price based on superior product and service.

7.Please feel free to send us your detailed requirements, you would be satisfied with our service.