英語翻譯
內(nèi)容如下,辛苦各位了：
Advisable equipment:automatic molding line SPOmatic,DISAmatic
Production method:casting,sand clay molds.
Low-alloy cast iron.
Technical requirements to the casting of Rear bearing cap of the main shaft №14-1701040.
Material№1:is high-duty cast iron 50.(GGG-50 DIN 1693)
or
Material№2:grey iron 35 ( GG-35 )
Weight - 4,6 kg
Quantity:3000 - 5000 pieces + CNC machining
1.Accuracy of the casting.8-0-0-7 GOST (Government Standard) 26645-85
2.Hardness HB 150…210
3.Cast iron metal analysis is an optional characteristics.
4.Degradation of relative elongation up to 5% is acceptable.
5.Degradation of breaking strength up to 48kg/mm2 on castings which went through the annealing is acceptable.
6.The amount of free cementite is acceptable no more than 1%.
7.Unspecified draft 2 max,radius R 2mm.
8.Unspecified wall thickness and ribs 6 mm.
9.Displacement according to mold splitting is no more than 1 mm.
10.Feeding devices’ remains are acceptable no more than 2,5 mm.
11.Casting material according to the mold splitting no more than 1mm is acceptable.
12.Rough edges on core connections and going off the casting is acceptable no more than 1mm.
13.On nonworkpiece surfaces of casting blowholes and other defects are acceptaple up to 3mm,depth up to 2mm in amount up to 4 units on the surface if they don’t go to edges.On the inner surface blowholes are not acceptable.
14.On the workpiece surfaces different casting defects are acceptable up to 2/3 of the machining allowance.
15.On the finished surfaces blowholes,gas fines are not acceptable.
16.On thread surfaces blowholes which don’t go to the edge of the thread and destroy the thread no more than 2 lines are acceptable.
17.Not painting in hard-to-reach inner surfaces up to 8 cm2 max is acceptable.
18.Spray coating of the casting is grey base coating V6 130C-C1.
19.Surfaces identified by the signs ……( see the signs on the scheme under point № 19) are base ones,should be free and smooth in casting.
20.Out of base surfaces ф 105 size of 35 valley up to 8 mm in depth up to 3 mm up to 3 units and local сuts each area up to 1cm2 and in height up to 3 mm.
21.Places of the trepanning to the microstructure.
拜托各位不要把用翻譯工具翻譯出來的直接貼過來.那個我也會.