加工工艺要求(转子英文)

转子技术要求

1、锻件不得有夹渣、疏松、折叠、裂痕等缺陷。

2、锻件需经正火处理，以改善组织，消除应力。

3、未注形位公差的尺寸，机加工均按GB/T1184-k级;未注长度尺寸均按GB/T1804-m级。

4、未注圆角半径R3；未注倒角均为0.5×45°.

5、动叶与转子，经压装和焊接合格后方可对其端面及其外圆进行精加工。

6、转子二端轴颈及其环形平面可精磨或精车后再抛光，去除毛刺飞边。

7、各流道钻孔定位正确、孔道间沟通良好、不得有铁屑与垃圾存在。

Technical Requirements of rotor

1、The forging must be indefecable from slag indusion、porosity 、crease and split.

2、The forging must be normalized for structure improving and stress reliening.

3、The demensions without tolerences of form and position should be machined according to the precision class k of GB/T1184. The demensions without length tolerance should be machined according to the precision class m of GB/T1804

4、The demensions without rounding semidiameter is R3. The demensions without chamfering is 0.5×45°

5、After the rotor and thd blades have been pres-fitted in and welded ,when inspected all on,the fine machining work can be then carried out on their circumference and end surface.

6、Both ends and two annular surface of the rotor may be grinded or polished after finish mathined ,then deburring.

7、Before the inner flow-passages should have be drilled ,the drilling position must be precision , The connectedness of thde inner flow-passages must be very well. It must be no any nills and dirty in the inner flow passages.

技术要求

1、未注铸造圆角半径均为R3; 未注倒角为0.5×45°。

2、铸件组织应细密，不得有砂眼、夹渣、疏松、裂缝等缺陷，铸件外,表应光洁美观。

3、铸件需经退火处理。

4、缸盖加工好后，与缸体一起经8MPa耐压试验，历时一分钟，不得渗漏。

5、各流道钻孔定位正确、孔道间沟通良好、不得有铁屑与垃圾存在。

6、未注形位公差的尺寸，机加工均按GB/T1184-k级;未注长度尺寸均按GB/T1804-m级。

Techuical Reguirements of the rotor

1.The unspecified radius of the casting round should be R3. The unspecified chamfering should be 0.5×45°

2.The casting structure must be compact and free from the befect of saudhole, slagindrtion and porosity.The sarface of casting must be fine and pretty.

3.The casting must be annealed.

4.After fabrication , The cylinder and cover must be subjected to pressure test with 9.6Mpa for 1 min,Without any seepage or leahage.

5. Before the inner flow-passages should have be drilled ,the drilling position must be precision , The connectedness of the inner flow-passages must be very well. It must be no any nills and dirty in the inner flow passages.

6. The demensions without tolerences of form and position should be machined according to the precision class k of GB/T1184. The demensions without length tolerance should be machined according to the precision class m of GB/T1804