Product Introduction
Welding on hydraulic cylinder used in almost every industry and are available in a variety of configurations. Welded hydraulic cylinders are designed for most applications.
Due to the welded design are more complex and generally more difficult to repair. Welded hydraulic cylinder is typically a better solution due to their compact design and when a more robust design is important in an application.
DALLAST is a professional welded hydraulic cylinders manufacturer. welded design withstands operating pressures of up to 3000 PSI.
Liner material: copper (prolongs the life cycle of cylinder)
Material: Carbon steel, Alloy steel, Stainless steel, 27SiMn, 16Mn, ST52, CK45, E355,
E470,42CrMo4
Piston Rod: should be hard chrome plated to minimum thickness of 35-55 microns and polished to 0.15 um Ra
Design Pressure: Max 700 bar (10150 PSI)
Seals Type: PARKER (USA), MERKEL (Germany), NOK (Japan), Hallite (UK), Kaden…
Non-standard strokes, bore, rod dimensions can be manufactured upon request
Custom Hydraulic Cylinder
We can supply customized hydraulic welded cylinders with drawings or samples, or if you could provide following specification:
•Diameter of bore & rod
•Stroke
•Mounting style
•Mounting distance
•Working pressure
•Ports
•Seals
•Special modifications.
Or you can offer us your sketch diagram or drawing or photos so that we could understand your exact meaning, help us avoid mistakes.
We will supply you our best service and support. Your satisfaction is our biggest motivation.
Welded hydraulic Cylinder welding process considerations
Welding on hydraulic cylinder is a very important process in the production process of hydraulic cylinders. As a special process, Its processing quality is particularly affected by process control. A detail fault in the production process may cause serious quality defects. So, in the daily welding process, what are the more important matters that we need to pay more attention to and check?
1. Confirmation of welding consumables.
Before each workpiece is welded, the first thing to confirm is the selection of welding materials consistent with the requirements of the work instructions. Such as specifications and models (will directly affect the strength of the weld bead), Quality status (whether the welding material is qualified), Pre-welding treatment (such as pre-welding heating, heat preservation and moisture removal treatment of welding rods), etc.
2. Check related accessories.
This is a point that is easier to overlook in the daily process, and it is also very important, because the good condition of related accessories is the basic guarantee of welding hydraulic cylinder quality, the operator should have a good habit of daily inspection and daily maintenance.
Related accessories mainly include: welding gun (wire hose, contact nozzle, shunt ring, etc.), gas supply accessories (pressure reducer, dryer, heater, air pipe, etc.), wire feeding mechanism, welding gun cooling system, etc.
3. Check and confirm the welding parts. Through the inspection and confirmation of welding materials and related accessories, a qualified welding basic environment has been formed. The next step is the inspection and confirmation of welding parts and related processing.
3.1 Confirm the component code with the work instruction or drawing. Because welding is a part combination process, it is necessary to prevent the part combination from being inconsistent.
3.2 Confirmation of cleanliness of welded parts. Cleanliness has a very important impact on the quality of welding. First, the welded parts must be cleaned before welding. Secondly, before the welding work, the remaining oil, water stains, and rust spots on the parts must be cleaned before operation. .
3.3 Quality inspection of welded parts. The quality of the parts should be checked according to the work instructions or drawings. Abnormal parts must not be welded, including whether the welding groove meets the requirements, etc., because the unqualified processing of the parts in the previous process may directly affect the welded hydraulic cylinder quality.
4. Strict control of the welding process.
Welding is not general machining, defects are difficult to observe with the naked eye, so process control is very important.
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