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Riser size determination method of network diagram

. Do not have to be multiplied by each of M-_ I. 040 after the change of the ring obtained cylindrical riser mode 'thermal processing technology, 6 / 1995 number. And as long as the axis of the graph l multiplied by the I-040 as shown in item 5 of the same network around, you can directly use the head. Application Note 3 (1J riser modulus according to the network in Figure l cylindrical riser Pi Gao Hang Gao determine the amount of the amount of Man 璺 child M__ (cm810 Figure 5 membrane modified circular riser research network map (size = 1.040} A simple way is very accurate. Therefore the production of a wide range of applications can be circular riser waist size to determine the three methods, not to make any amendments to Japan's approximation method will determine the modulus decreased. reduce the identified riser size. In the context of common size ratio, the maximum possible deviation of the modulus of about l0.9% l factor correction method is a very accurate method. but the need to increase the average coefficient of a network diagram to facilitate a number of amendments to law, and Therefore, the error is smaller waist using circular riser to determine the size of the proposed major and high precision to the process design factor correction methods. The general method used can be modified to take the average coefficient (2l This article is based on the author plants Li introduced the use of R-inch riser to determine coordinates of curves around the network,[link widoczny dla zalogowanych], so it applies to the production of commonly used steel columns, back round to determine the size of riser. casting all types of different plants. riser used learning is also different,[link widoczny dla zalogowanych], so the factory can process the characteristics of the designer, using this approach,[link widoczny dla zalogowanych], the factory needs to find a suitable size of riser in the form parameters determine the special coordinate curve network on a Shi Tingzhen literature. Wang Yuwei the provision of practical manual left Shenyang, Northeast Engineering Sulfur Press .1988-287 75 Received: l995 on July l6 at aluminum alloy heat treatment of hot extrusion dies, Jiangsu Aluminium (rafters l.. 7) ZHANG Zhi bar. f'2 cattle Ran Abstract According to cultivation pressure mold aluminum alloy hot working conditions in the ugly form of desensitization. through B I C - Cl permeation wells Nao J Back J treatment. to improve their life. get good results. 【key _i head J4c, Ramie Ramie 5MoVIS Man Heat'rreatmentofAluminiumAlloyHeatExtrusionDieZhangZhibang Zhu 璺 when r.ct】【Ah Accordingtothecomloaandfailu ~ formationofalumln [umalloyhea (xtrI】 sndie.itcabimD sampan thedie '~ ervlce 【tthTt ~ ughb mouth ronhr. ca ix mgandquenchigtom.ringttBTne. [Key】 4CroV1S ~ steelboronitrocarburizingquenchingtemperingservicellfe1 Introduction At present,[link widoczny dla zalogowanych], China-made with 4Cr5MoVISJ actinium aluminum Taijin profile hot extrusion dies, there are also short life. extrusion profiles defects and poor surface finish. So. improve die life, lower cost profile of the most urgent task profile manufacturers. 2 die of working conditions and failure modes of hot extrusion dies in the horizontal profile extrusion machine at work. and 400 ~ 450_c Taijin aluminum rod in contact, under pressure from the 2000N/cm the bar squeezed into profiles. die to bear high temperature 'high pressure and strong friction. I plant profile production practice that feast. aluminum alloy hot extrusion dies is a failure of the main forms of wear and tear, strain and crack. One to wear. of the view that to extend the life of mold. the need to improve the wear resistance of the mold,[link widoczny dla zalogowanych], red hardness, good thermal fatigue strength and toughness of Joseph. To this end, I plant a carbon-boron test ammonia permeation process. 3 Ma plate and methods of implementation of the \1995 sample size Rights 50 × 40mm. infiltration Jing for boron by the agent, for the eight carbon, nitrogen thorns. fillers and criminal infiltration composed of catalytic test in a 5 x R】 one L3, SRJx an experimental electric furnace 20 a l3 container used for celecoxib permeation through carbon steel plate welding, the size is 500 × 500 × 4S0 (mm) 4 bags of 4.1 results paint BCN flooded depth of temperature on the impact of Table l for the temperature on the diffusion layer depth. visible. As the temperature permeation temperature in Table 1 were resistant to penetration depth of infiltration of the degree of improvement increased deep layer optical observations showed that, with the permeation temperature. sawtooth penetrating layer gradually shorter King Island District organization expanded significantly increased. * M .5 l years old, engineer. Bv power down from a 33 Die i hide the main difference between summer

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