Hydraulic valve block U

Technical requirements for outsourcing processing of hydraulic oil way valve block: the raw materials of oil way valve block (ductile iron, forging, steel bar, etc.) shall be purchased in strict accordance with the drawing requirements. The raw materials purchased should meet the technical requirements. Milling six surfaces of oil way valve block: milling shall be carried out according to the requirements of the drawing on the overall dimensions, the dimensional tolerance shall be strictly controlled within the design requirements, and the grinding amount of each side shall be 0.2-0.5mm. The perpendicularity between adjacent machining surfaces shall not be greater than 0.05mm/100mm. The unevenness of two corresponding surfaces shall not be greater than 0.03mm. The surface shall not be bumped, scratched, missing angle, and the outer edge shall be blunt by 1.5 ~ 2 × 45 degrees, deburring and smooth handle. The surface roughness is not greater than RA = 6.3 μ m。