How zinc rods are processed into sheets

       【Summary】:

The production process of zinc rod products is generally as follows: die casting - removal of material handle slag bag - parting line and burr trimming (manual trimming, tool trimming or equipment trimming such as freezing method/blasting method) - shot peening (can remove the traces left by trimming) )-surface treatment (appearance parts are generally polished and then plated with copper, nickel-chromium, and non-appearance parts are generally passivated by chromic acid)-inspection-packaging.

How zinc rods are processed into sheets

The production process of zinc rod products is generally as follows: die casting - removal of material handle slag bag - parting line and burr trimming (manual trimming, tool trimming or equipment trimming such as freezing method/blasting method) - shot blasting (can remove the traces left by trimming) )-Surface treatment (Appearance parts are generally polished and then plated with copper, nickel-chromium, and non-appearance parts are generally passivated with chromic acid)-Inspection-Packaging.

Usually, the bar needs to be processed into other shapes of steel to meet the requirements of industrial production and the application of the product. The application of products from bridge parts to steering rods requires metal materials with high strength and elasticity, which can not be broken under load. bending. Strength, plasticity and hardness are important test indicators for bars and an important basis for judging whether they are suitable for specific applications.



1. Zinc rod tensile test, bending test and shear test: check yield strength and ultimate strength, section shrinkage and elongation, plasticity



Regarding the solution: In order to fully understand the necessary test equipment, the setup of the test steps, the required results, it is recommended to study the benchmarks carefully.



Relevant standards GB/T228-2002 GB/t 14452 GJB 715.20-1990 ASTM E8 Astme 290 NASM 1312-13 NASM 1312-20



Sample type: dumbbell, rectangle



Test equipment: The load range is 200KN~3000KN microcomputer-controlled electro-hydraulic servo testing machine



Test accessories: hydraulic wedge clamp, bending clamp, shear clamp, axial extruder



2. Zinc rod hardness test: Rockwell hardness test



3. Zinc rod impact test: The impact test of the medium and thick steel plate shear test piece can ensure that the yield strength is higher than the specified value required by the standard, and the test can also determine the material composition change and temperature change caused by the secondary processing (such as welding) of the material Reaction. Of particular note is the transfer of firmware embrittlement that occurs when the metal cools.



About this trial solution:



Related standards GB/T229 ASTM E23 ISO 148



Sample Type: Rectangular Notch Sample



Test device: metal pendulum impact testing machine



Test accessories: you can choose low temperature test tank, automatic sample feeding device, notching prototype



4. Zinc rod torsion test: determine shear modulus of elasticity, shear strength, shear modulus of elasticity at break, plasticity



About this trial solution:



Relevant standard GB/T 10128-2007



Zinc rod sample type: dumbbell-shaped sample



Zinc rod testing device: metal torsion testing machine



Zinc rod test accessories: torsion sample fixture



5. Zinc rod creep and durability: Under the conditions of normal temperature and high temperature, it is necessary to confirm that the product is subjected to a certain load. How is the performance of the product?



Regarding the solution: In order to fully understand the necessary test equipment, the setup of the test steps, the required results, it is recommended to study the benchmarks carefully.



Related standards GB/t 2039 HB 5150 HB 5151 A STM E139 Astme 292 ISO 204



Sample type: dumbbell type



Zinc rod testing device: mechanical/electronic high temperature creep durability testing machine



Zinc rod test accessories: high temperature tensile fixture, tie rod for deformation measurement, creep measurement system.