As the requirements with respect to driving power, controllability and availability have clearly increased, advanced electrical engineering and electronics have become. Construction, working and maintenance of electro hydraulic. Before installing your galvi shoe brake it is indispensable to read in full. Thruster operated drum brakes at best price in india. Eot crane brakes thruster brakes manufacturer from rajkot. If the liner wear and tear is less and if auto adjustment is provided to disc brakes, it gives an advantage of less maintenance as well greater safety to machine and operator. The pressure is produced in a master cylinder and delivered to the disc calipers or drum wheel cylinders by tubes and flexible hoses. Thruster operated drum brakes operate on the same principle as mdt. They are available in sizes to replace the thrusters used on bubenzer, hillmar, sekarb, siegerland bremsen, hindon, sibre, ge, zpmc, galvi, and johnson brakes. The fedus brakes are compliant with aise n11 standard. We supply a detailed operating manual with every order. In this case brake is applied by pressing a brake shoe which is prestressed by usage of compressing spring. Thrustor operated brakes, door shutters, damping systems etc. Get info of suppliers, manufacturers, exporters, traders of thruster operated drum brakes for buying in india.
Thrustor brakes thrustor brake manufacturer from delhi. We are a factory to produce electrohydraulic durm brakes, pneumatic drum brakes, electro magnetic drum brake, electro hydraulic disc brakes, air disc brakes, safety brakes etc. In propulsion technology, drives are braked or stopped by means of brakes using electrohy. The manual openingrelease system is an option for facilitating maintenance. Thruster can be installed horizontally for industrial verticalmotor applications like slewing.
Customized industrial drum brakes are also available in our factory. Dec 06, 2017 work involved during preventive maintenance of electro hydraulic thruster brake. Higher sizes can also be supplied against specific requirements. The spring is compressed and braking energy is stored for the next cycle. Mondel thruster brakes basic applications guide engineered. C supply for a wide range of drum sizes from 100 mm to 500 mm diameter. Providing you the best range of mdt electro hydraulic thruster brake with 18kg thruster, electro hydraulic thruster brake with 34kg thruster, 18kg electro hydraulic thruster st 520, 34kg electro hydraulic thruster st 535 of speedocontrol, speednsystems, anand, stromkraft, electromag, speedage, pethe, duplex, cmk, electro power and kakku. The drum brakes of the pintsch bubenzer ebnseries are meant exclusively for the conditions specified in the order. When power is removed, the friction lining of the brake shoe applies to the rotating drum which creates friction and ultimately stops the rotating. Brake systems for eot cranes pintsch bubenzer content thruster disc brakes 3 16 pneumatic disc brakes 17 24 hydraulic disc brakes 25 43 electromagnetic disc brakes 45 65 drum brakes, band brakes 67 83 couplings, hubs, discs, drums 85 101 monitoring systems, control systems 102 115 storm brakes 117 124 buffers 125 2. Maintenance free bushings in all hinge points continuously adjustable brake spring with torque scale and wear bushing enclosed in a spring tube symmetric design wexecution special anticorrosion protection parallel air gap when brake is released. Electro hydraulic thruster brakes brake motor, disc brakes. Our mill duty thruster brakes are suitable for 400440 volts, 3 phase a. It is designed for dynamic braking within the limits given in section 2.
The thruster brake works according to a failsafeprinciple. The brake torque can also be adjusted once on site. Find here online price details of companies selling thruster operated drum brakes. Designed to aist technical report 11 standard selfadjuster mechanism compensates for lining wear. Because of the maintenancefree bushings installed on the brake. When the thruster motor is energized, the thrust provided by the thruster lifts up the crank lever which moves the arms and the shoe brakes away from the brake drum, and releasing the braking force. Enclosed adjustable brake spring with torque scale.
Thruster brake is a device to retard the speed of moving machinery and to stop it accurately to the desired position. The ktrstop tb offers yet another benefit in guaran. May 02, 20 pintsch bubenzer usa industrial brakes 3d. Thruster disc brakes possess a scalable torque tube which means that torque can be ostensibly adjusted which is ideal. Product description the voith electrohydraulic thruster is selfcontained and designed to exert a smooth, straight, upward thrust. Chinas professional manufacturers and suppliers of thruster drum brakes ywz9 electro hydraulic thruster drum brake series zhongyuan brake. We are also your source to repair or rebuild the existing ac electrohydraulic thrusters on your crane brake systems. Please refer to setupmanual for eldro elhy thrusters, included in this documentation. Hyd installation and maintenance manual release 0112 page 6 01. The brake may be mounted upright or equipped with suitable guide rollers lying on its.
Due to its hydraulic operating principle, an eldroclassic thruster with a maxi mum travel. It is activated in case of power failure and is opened via a brake release. Electrohydraulic thruster is a device which develops linear thrust required to operate the desired mechanism. Choose from both failsafe and active braking systems to meet the needs of your specific application. The impeller of the centrifugal pump driven by the motor generates a hydraulic pressure in the space under the piston. Electric hydraulic thruster working principle mechanical.
Soft and impactfree mode of operation, as a systemic result of. Information about construction, working, installation and maintenance of electro hydraulic thruster drum brakes and thrusters is given in this article. Drive and brake problems can be solved using a drum brake or a shoe brake which is still quite common or by using industrial type disk brakes. Brake pads for electro hydraulic thruster brake manufacturers. Voith electrohydraulic thruster lyttelton mining supplies. The fedus brakes are drum brakes which operate on fail safe.
Thruster drum brakes are springset and thruster released. These brakes are released by mean of their electrohydraulic thruster supplied with alternative current. Electrical power is used to rotate the impeller which in turn generates the hydraulic pressure by working on oil hence to lift the piston. This smooth and jerk free thrust is either controlled by a appropriate stiff spring or counter weights of mech.
Thruster brake is a device type, retardation of speed of moving object and slowly stopping to accurate position is also possible at desired position. Check that the brake drum surface must be free from grease,oil and other material. As with all ktr products, the ktrstop tb can be tailored to customers requirements. The manufacturer case by case will be free to choose between repairing or. Energizing the electrohydraulic thruster releases the brake shoes from the drum. The basic hydraulic brake system hydraulic brake systems guide page 7.
Dec 14, 2015 when power supply will be given to electric motor of thruster, as we have discussed in working principle of electric hydraulic thruster, piston will move in upward direction and lifting movement of piston of thruster will operate the drum brake mechanism and brake shoes of brake mechanism will allow the drum to rotate. The brake is released opened electro hydraulically by a thruster and is. The ktrstop tb offers yet another benefit in guaran teed compatibility since the drum brake complies with all din 15435 requirements and the disc brake. Construction of thruster operated drum brakes as shown in above figure, a thruster operated drum brake has a pair of brake shoes with. Disc brakes with thruster buel pintsch bubenzer disc brake sb 28. This linear and jerk free thrust can be used to operate several mechanisms i. In hoisting and travelling drives, our spring applied brakes keep construction machinery safely in place and retain the rotary drives in their required position. Check and ensure that thruster are lifted and brakes are released fully.
It is available ex works as a disc or drum brake with organic or sintered metal brake pads and a whole host of other options. Thruster drum brakes general information bulletin 4208 thruster drum brakes the thruster drum brakes are spring set, electrically released, drum type friction brakes used with ac motors. Eldro brake thrusters have been able to maintain their leading position in terms of. When the thruster is deenergised, the spring force pulls down. Ac dc thrustor brakes, thrustor operated brake, ac and dc. The following symbols pictographs are used throughout this manual to point out dangers and.
Sturdy components and thruster ensure long, trouble free service. Cmk electro power pvt ltd is the leading manufacturer of electro hydraulic thruster brake. Thruster drum brakes ywz9 electro hydraulic thruster drum. Check the brake shoe linings for any wear, if any damage is found, replace it. Backed by rich industry experience, we are presenting vast variety of thrustor brakes. Sep 19, 2017 mondel thruster brakes basic applications guide posted on february 6, 2007 september 19, 2017 by eric brown at engineered lifting systems, we are often asked to provide services and equipment to modernize or develop solutions for existing bridge cranes and hoists.