搜索
Search
Homepage
/
NEWS
/
Industry information
/
Common faults and solutions of hydraulic station of plate shears

NEWS

Check category

Common faults and solutions of hydraulic station of plate shears

(Summary description) The return of the upper carriage is slow or can not return to the upper dead center. The operation sequence of the upper carriage and the pressing cylinder is inconsistent. The nitrogen pressure of t

Common faults and solutions of hydraulic station of plate shears

(Summary description) The return of the upper carriage is slow or can not return to the upper dead center. The operation sequence of the upper carriage and the pressing cylinder is inconsistent. The nitrogen pressure of t

Information
1. The oil circuit cannot build up the pressure, the upper tool rest has no action, the electrical plug of the electromagnetic reversing valve is in poor contact, check the electrical plug, the valve core of the electromagnetic reversing valve is stuck by sundries or the roughening surface does not act. There are sundries in the sealing port of each valve core of combination valve, which does not play a sealing role. The orifices in the combination valve are blocked.
 
2. The return of the upper carriage is slow or can not return to the upper dead center. The operation sequence of the upper carriage and the pressing cylinder is inconsistent. The nitrogen pressure of the return cylinder is insufficient. Check and adjust it to the rated pressure.
 
3. When adjusting the clearance of blade clearance, loosen the locking screw temporarily, then turn the handle to the required scale value, and then lock the screw. The ball valve is used to measure the gap uniformity between the upper and lower blades. The specific method is to use a single stroke, when the upper and lower carriage travel to the lower dead center, that is, quickly turn the ball valve to close the oil circuit, so that the upper carriage stops at the lower dead center. Then, continue to open and close the ball valve slightly, so that the upper carriage can rise one by one in the whole stroke, at this time, the average degree of blade clearance can be measured one by one.
 
4. When the return cylinder pressure is low, the upper blade will rise slowly. Inflate the return cylinder. Remove the protective cap and air valve cap. Install the inflation tool. Connect the other end of the inflation tool with the nitrogen cylinder (oxygen is not allowed). Open the inflation tool. Slowly open the nitrogen cylinder stop valve. Pay attention to the inflation pressure gauge

Scan the QR code to read on your phone

Previous: Operation method of hydraulic station of cone crusher
Next: Notes on selection of seals for hydraulic system of hydraulic station
Previous: Operation method of hydraulic station of cone crusher
Next: Notes on selection of seals for hydraulic system of hydraulic station

Office Address: 19th Floor, Block B2, Yuexiuhui Junbo Building, No. 18, Taizihu East Road, Jiang'an District, Wuhan, China.
Factory Address: E-8, Gongcheng Village Industrial Park, Qingshan District, Wuhan, China
Post Code: 430083
Sales hotline: 86-27-82424828 86-27-82430008
Fax: 86-27-82422275
E-mail : gaoxiongkeji@126.com

Username used for comment:
客户留言
Description: