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Return Weapon: five parts of construction machinery in the maintenance of skills - construction machinery, spare parts, maintenance - construction
1, deformation of the engine cylinder head repair
Our two KLD85Z Loader Kawasaki, Japan, the engine cylinder head due to the long work in high temperature, high pressure, heat load and cyclic load and the occurrence of warpage, head gasket washed out from the water crossing Office, resulting in burning chamber pressure drop, increase engine power shortage and the radiator outlet coming out of the water. Two consecutive cylinder changed his pads, the use of one month after they are washed out. Dismantling the unit and found that cylinder block, cylinder heads are deformed. Cylinder of flatness error of 50 m, also meet the technical requirements, but the cylinder head flatness error is to 0.20mm, the gasket deformation was the main reason being washed. We use the repair method, because no combustion chamber concave cover machine, do not take into account changes in volume combustion (combustion chamber volume changes in value generally should not exceed 4% of the original volume), using the method for face milling processing of the cylinder head surface; in the cylinder head and cylinder block joint surface of the water crossing to install a copper pad (the thickness of the copper pad concave platform for water crossing the thickness of 1.2 times), instead of the rubber pad cylinder seals, and then install the cylinder head gasket at the same time with the first post-cold-hot tight tight solid cylinder head bolts approach. Using this method, the engine repair, and then does not appear overshoot cylinder head gasket failure.
2, dry the emergency repair of thin-walled cylinder
My company a Komatsu WA420 Loader, due to long-term work in the field, the engine cooling water containing minerals using more filters in addition to the cooling system to maintain oversight, the engine crankcase cylinder took place in Point II loss, while making thin-walled cylinder is also cavitation, there 2mm sized holes, leading to the crankcase sump water. Taking into account the machine equipment purchased in 1992, the engine crankshaft, camshaft and cylinder at or near the use limit, significant spending is no longer worth repairing, but the engine cylinder and piston wear still comply with standard, no burning oil and the black smoke emission, and the engine is working properly, no significant increase in fuel consumption, hydraulic system and chassis parts can continue to use, and significantly higher than similar China-made mechanical efficiency. To this end, we will turn around 180 degrees the original cylinder and cavitation in the crankshaft box office block with AB glue, then re-assemble the engine, run the show once again working properly. With this lesson, later working. With this lesson in the later work, management and maintenance staff are very great importance to the maintenance of cooling water filters. Repair has been one year since the aircraft still in use.
3, bulldozers, welding repair station frame
SH320-type bulldozer after 6 years of use, sets the frame due to the long moment and torque in different directions by the role of the two bracket bolts to break, plus they did not discover, leading to rupture from Taiwan frame arm into two sections. Difficult to repair as the same time, even if the purchase of the old pieces that have to more than 10,000 yuan, for which we decided to use welding to repair. In practice, the first broken bolt in accordance with the status quo will be installed on the platform frame assembly is good, will crack the first spot to live, then remove and back to the shop, stand erect with a 30cm, 1m in the context of the surrounding cracks increases with charcoal temperature (to prevent local heat distortion), to reach about 120 , and then use acetylene gas cutting a V-shaped groove to groove depth of arm-thick 3 / 4, then the implementation of welding. Welding process is as follows: DC arc welding machine, reverse method (welding pieces connected with negative), J507 electrode (using pre-heated to 100 ), electrode diameter 3.2mm, from the arc welding current situation under the regulation. After welding to eliminate stress (heated to 200-300 annealing), and for grinding treatment. Installed after welding good use that the quality of full compliance with requirements. The machine has been used for 10 months, working properly.
4, dynamic loading mechanism of the processing piston cylinder repair
Loader on dual-pipeline gas over hydraulic brake booster system, my company a KLD85Z Loader also used this kind of braking system. As the long-term use, a brake booster in the course of a sudden failure, checking their fault because: a long time booster hydraulic cylinder by brake fluid corrosion cavity arising Ma, leading to wear and failure of rubber cups. After inquiry, the product no domestic parts, import price of 12,000 yuan. Obviously, if the purchase is economically viable. We found BJ2020-type jeep clutch bag repair rubber cups and cups the size of this machine is similar, but slightly smaller diameter. After further analysis of the piston cavity size that the lathe can be used in this document completely; by rapid processing of small amount of feed to reduce the roughness of cavity; adjust the knife into the knife 2-3 degrees, so that inner wall of a certain pitch; diameter in size and be under the cups, and small size than the original 0.4-0.5mm. After careful measurement process, after the repair can be used normally.
5, T815 Dump Truck Repair welding consumable
My company has produced T815 model from the Czech Republic a total of 30 tanker units, the use of a few years found the car chassis as part of localization, the chassis construction quality can not meet the requirements of frequent occurrence in certain parts of malignant fracture, to users of the tremendous economic losses. After a long journey, the vulnerability of our aircraft parts (such as steel plate lug, steel clamp, spring plate and bushing, etc.) the welding repair, and achieved good results. In Shi welding Note: DC arc welding machine, J506 electrodes, welding preheat and post weld heat, eliminating the local thermal stress, prevent stress concentration.
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Invert TOO Loader Demo of FEED RATE
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Empire Magna Drive Loader $129.5 The Empire® Magna-Drive™ feed system is the newest innovation in the progression of loader speed and performance. Features include a patent pending new magnetic clutch drive system and patented Halo™ technology for a unique wireless RF (radio frequency) system. The Magna-Drive™ system is the most highly advanced and customizable feed system on the planet. You can determine your feed rate adjust the tension set the torque dial in the sensitivity and even synch your loader with your marker for unparalleled results. The Magna-Drive™also introduces a bold new profile for improved weight distribution and reduced exposure while playing your bunker plus easy access battery pack and magnetic lid. The best players demand the best equipment. The Empire® Magna-Drive™ is the answer.Magna-Drive - magnetic clutch systemProprietary RF capabilities for Wireless activationEasy Access Battery Pack (no tools required)Magnetic lidDurable Polycarbonate Body and Reinforced laminated Feed Neck SystemHALO Rip-DriveNew Reduced profile body design2 Floor Settings With 200 and 220 Ball Capacities (both included) Get the Flash Player to see this player. var s1 = new SWFObject( http://silver.phpwebhosting.com/~pbolvideos/player.swf ply 500 353 9 #FFFFFF ); s1.addParam( allowfullscreen flase ); s1.addParam( flashvars file=http://silver.phpwebhosting.com/~pbolvideos/HPREMDL.flv&image=http://silver.phpwebhosting.com/~pbolvideos/HPREMDL.jpg ); s1.write( container ); |
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Telescopic Loaders assist in heavy work
Skid steers, for example are capable of using a telescopic loader for home use, as well as forklifts which are many times used for smaller jobs such as you see in a warehouse for lifting heavy pallets overhead. A Telescopic loader comes in handy and makes the job easier. The telescoping loader is equipped with a mast that allows it to horizontally extend out, and making this a valuable and useful piece of equipment in many situations. One of the drawbacks though, is that the balance can be upset if the mast is extended out too far with a heavier than recommended load, thus causing the machine to tip as the center of gravity shifts. In instances where heavy loads are to be moved it is better to use a Telescopic loader with an articulated loader. This type of loader is able to lift and move heavy loads because they are designed with two chassis, are extremely strong, have articulated joints on the arm in the middle, and are not going to tip when lifting a very heavy load.
There are other types of Telescopic loaders available for various jobs. There are ones that are called mini loaders, which are designed to be used for smaller jobs, especially around the home. They might be found sitting on top of a skid steer, or a mini articulated loader. They are quite limited as far as loading and lifting are concerned. Mini Telescopic loaders are also available, but they really aren't all that useful unless you are using it to lift fairly light objects, such as lifting a small load into the back of a truck. Again, you have to be careful not to overload the bucket, or extend the arm out too far, or you may be in danger of tipping over.
When it comes to construction sites however, the Telescoping loader is an invaluable piece of equipment. As this machine has the capabilities of extending the mast not only horizontally, but also up and down, this kind of flexibility makes the machine very useful for large jobs. Anyone operating the telescoping loader must be well trained and very skilled at the controls. Moving this huge piece of equipment is no job for the novice, and you have to be precise and accurate when lifting and moving large, heavy loads.
Many farms use the smaller Telescopic loaders to move bags of feed, or even hay from one area to another. Landscapers use them in the same way. They can be useful when you want to move sod or seed bags, but not much else. If you need something very heavy lifted or moved, or need to have an object lifted to a considerable height, you might want to hire or rent a larger telescoping loader, along with en experienced operator to get the job done for you.
Using proper equipment ensures speedy completion of work. For all your requirements for New and Used Telehandlers, Forklifts, Telescopic Loaders, and all equipment and Telehandler training courses, please do visit our site and Call or Contact us - http://www.liftingsolutions.com.au/
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