Engine is the heart of automobile. 4C parts, such as cylinder block, cylinder head, crankshaft and camshaft, are the core components. Their quality directly affects the performance of the engine. In the manufacture of 4C parts, the problems....
The base plane of the motor is an important benchmark for the connection of the motor and the supporting equipment, which directly affects the accuracy of the connection and the smooth level of the operation. In general, motor base plane mac....
The motor base is the key component of the motor. The rationality of its structure and processing technology have great influence on the performance of the motor. The unsuitability of the motors broom, low-frequency electromagnetic sound, vi....
Guide: The bending process requires that the designed structure adhere to the bending deformation law: Minimum radius of curvature, springback, minimum side length of bending, bending process hole or process groove, hole margin, bending proc....
An alloy composed of other elements added on the basis of chromium is a refractory alloy. Compared with metallic nickel, metal chromium has a high melting point (1860 C), high specific strength (ratio of strength and density), good oxidation....
Superalloy is a kind of engineering material used at about 1000 C. It is widely used in aerospace, aviation and various heat treatment equipment. Since the high-temperature alloy contains many high-melting alloying elements such as Fe, Ti, C....
Several ways of processing kovar alloy, Kangding Hardware personal experience tells you the pros and cons of various ways Kovar alloy processing products are mainly used for glass sintering, so Kovar alloy parts are mainly based on cavity st....
The invention relates to a method for performing DRAM wafer testing using a test pin card. Background technique: DRAM has the need to reduce test costs during the testing process. Therefore, the same number of test needle cards is getting hi....
Test pin, a probe used to test PCBA. The surface is gold plated and the probe has a high performance spring with an average life of 30,000 to 100,000 times. The famous manufacturers abroad are QA, IDI, UC, Semiprobe, ECT, INGUN, BT. Probe ma....
High Current Probes The probe diameter is between 2.54mm and 4.75mm. The maximum test current is up to 39 amps. Semiconductor Probes The diameter is generally between 0.50mm-1.27mm. Bandwidth greater than 10GHz, 50 characteristic Battery an....