How To Understand The Composition of The Custom Valve Block?
The valve block acts as a control element in the hydraulic system that regulates the pressure, flow, and flow direction of the fluid in the hydraulic system to meet the requirements of different actions of various actuators. There are many categories, but the main structure is the same. It generally comprises inserts, control covers, pilot control valves, and so on. What steps do we follow when processing the custom valve block?
What Is The Composition Of The Custom Valve Block?
Do you know of the valve block? It is the block that controls the work of the hydraulic oil and can gather together the scattered hydraulic oil paths. High design and processing requirements result in a high cost per piece.
- Insert parts
The main valve assembly is a combination of a spool, valve sleeve, spring, and seal ring in four parts. Its main function is to control the main oil direction, pressure, and flow.
- Control cover plate
It consists of a miniature pilot control element and other components seen in the cover plate. It is mainly functions to secure the plug-in and ensure sealing. At the same time, the control oil circuit and the main valve control room have a link to ensure control.
- Pilot control valve
We can install this part on the control cover and on the integrated block. This small specification control valve helps us control the action of the main valve plug-in. It mainly includes a . Otherwisestandard solenoid directional valve with a diameter of 10 or 10, proportional pressure regulating valve, adjustable shock absorber, buffer, and so on.
What Are The Processing Steps Of The Valve Block?
- Pre-treatment
The raw materials for processing the custom valve block must ensure that the internal organization is dense, without an interlayer, sand holes, and other defects. We test the blank numerously to ensure it is in good condition. Cast iron and large steel blocks need proper treatment and pre-treatment before processing.
- Machining
CNC milling is the benchmark valve block rough processing and needs some final fine grinding allowance. The surface roughness of the valve block must meet the design requirements, especially the installation surface of the hydraulic valve, flange, and pipe joint shall not have to mark marks and other defects, otherwise, it will leak.
- Deburring
We must chamfer and prick the valve block after machining it. All the flow channels in the custom valve block, especially the intersection of the intersecting flow channel, need complete burr removal, which helps to greatly improve the reliability of the entire hydraulic system. Above is an introduction to the valve block. You must adhere to the specification to achieve a quality finished product.
The Assembly And Design Of Hydraulic Valve
The outer surface of the custom valve block is the mounting bottom of the valve assembly, and the inner surface is the layout space of the hole. The six faces of the valve block form a set of mounting faces. Typically, we don’t install any components on the lower side. Instead, we stack it with the tank or other valve block. In engineering practice, in order to facilitate installation and operation, the installation Angle of the hydraulic valve usually adopts the right angle.
The most important principle of hydraulic valve design is that the oil path of the hydraulic valve conforms to the schematic diagram of the hydraulic system.
Before designing the custom valve block, we must determine which part of the oil circuit can integrate. The number of parts on each block should be moderate, too many parts on the valve block, makes processing difficult.
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