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Brand Name : Mingrui
Model Number : XF-130
Certification : ISO9001-2005
Place of Origin : China
MOQ : 1 pieces
Price : USD1.21-5.16
Payment Terms : L/C, T/T, Western Union, MoneyGram, D/P, D/A
Supply Ability : 10000 pieces month
Delivery Time : 15 working days after the order confirmed
Packaging Details : intertional carton box
Item name : zironia ceramic pins
Features : High temperature resistant
Color : Black white blue or custom
material : zirconia ceramic or customize
MOQ : 1 PCS
Delivery : 7 days
Shipping : DHL EMS UPS FEDEX TNT
OEM : welcome
Precision : +- 0.001mm
Finishing : polished
Electrical Insulating Zirconia Ceramic Centering Pin for Welding Project
The first reason for the extended service life of the ceramic centering pins is due to the extreme durability and impact strength of high-performance ceramic. "With the very short cycle times of automated production lines, such as car body assembly, even hardened metal centering pins quickly become deformed and worn," said the spokesperson. "Components made of Cerazur, a yttrium-stabilized zirconium oxide, stay geometrically stable even when undergoing extreme mechanical stress."
The second advantage of ceramic is that welding spatters do not stick to it. This avoids interrupted production because of a defective weld caused by the build-up of material. "This means that when Cerazur centering pins are used in the manufacturing line, positioning accuracy is guaranteed for long periods," said the spokesperson.
"Because of this, it is possible to obtain exactly reproducible welding," continued the spokesperson. "In automated short-cycle industries, such as car body manufacturing, this advantage outweighs the additional cost of high-performance ceramic. This applies not only to welding lines, but also to other types of assembly, such as flanging and clinching."
Product Name |
Electrical Insulating Zirconia Ceramic Centering Pin for Welding Project |
Material | Alumina, zirconia or silicon carbide , silicon nitride |
Color | White, Black |
OD | 0.2mm - 50mm, And According to drawings |
Length | 5mm - 400mm, And According to drawings |
Surface Roughness | Ra0.05 |
Torlerance | +/- 0.001mm |
Lead time: | 15 - 30days |
Max. working temperature | 1500 -1700 °C |
Samples | Avaliable |
Shipping: | Air Express (DHL/UPS/TNT/ FedEx) or Ocean Shipping |
Metal simply can’t compete with advanced ceramics with regard to insulating properties, resistance to temperature change, and minimal wear and tear due to the high degree of hardness and durability. Yet another advantage of using ceramics for centering pins is their smooth polished surface, which prevents welding spatter from adhering. However, service life does face limitations when it comes to welding pins made of commonly used zirconium oxide ceramics. Over time, this material is likewise unable to stand up to the 30 to 40 kiloamperes that flow through the copper electrodes in projection welding and the required working temperature of 800°C, and thus suffers from wear. The solution: Centering standard molds made from silicon nitride ceramics
Worth knowing:
Ceramic adapter plate,Ceramic centering pin,Ceramic connectors,Ceramic spinner,Ceramic roller
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ceramic gear , machinable ceramic, ceramic arms , white ceramic ornaments , sustained high temperature on ceramics
Mingrui offers you a wide range of production facilities like extrusion, injection moulding, pressing and casting. Depending on product geometry and quantities, we will choose the suitable technique for your products.For the final finishing of the parts we use CNC machining centres, equipped with diamond tools in order to meet high accuracies.
Our aim is to offer the ideal solution for any application. Our engineers therefore offer custom solutions that range beyond our existing product portfolio. With our well-equipped industrial development facilities, we produce innovations that can be rapidly commercially exploited.
Properties Sheet of zirconia and alumina :
Properties | Units | 95 Alumina | 99 Alumina | ZrO2 |
Density | g / cm³ | 3.65 | 3.92 | 5.95-6.0g/cm³ |
Water absorption | % | 0 | 0 | 0 |
Coefficient of thermal expansion | 10-6/K | 7.9 | 8.5 | 10.5 |
Modulus of Elasticity Young's Mod | GPa | 280 | 340 | 210 |
Poisson's ratio | / | 0.21 | 0.22 | 0.3 |
HV Hardness HV | MPa | 1400 | 1650 | 1300-1365 |
Flexural Strength @ room temperature | MPa | 280 | 310 | 950 |
Flexural Strength @700°C | MPa | 220 | 230 | 210 |
Compressive Strength @ room temperature | MPa | 2000 | 2200 | 2000 |
Fracture Toughness | MPa *m 1/2 | 3.8 | 4.2 | 10 |
Heat conductivity @ room temperature | W/ m*k | 18-25 | 26-30 | 2-2.2 |
Electrical Resistivity @ room temperature | Ω*mm2 /m | >1015 | >1016 | >1015 |
Max use temperature | °C | 1500 | 1750 | 1050 |
Resistance to acid alkaline | / | high | high | high |
Dielectric Constant | / | 9.5 | 9.8 | 26 |
Dielectric Strength | KV/mm | 16 | 22 | / |
Thermol Shock Resistance | △ T ( °C ) | 220 | 180-200 | 280-350 |
Tensile Strength @ 25 °C | MPa | 200 | 248 | 252 |
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Electrical Insulating Zirconia Ceramic Centering Pin Ceramic Welding Tips Images |