Dongguan Ming Rui Ceramic Technology Co.,ltd
Dongguan Ming Rui Ceramic Technology Co., Ltd
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High Precision Ceramic Gear/Zirconia Tooth For Sewage Treatment System
Mingrui ceramic team will be more than happy to hear about your thoughts and requirements with regard to ceramic wheel designs. Shaping technical ceramic gear wheels by ceramic injection moulding technology brings cost effective possibilities and solutions. We are looking forward to cooperation.
Feature of ceramic gear wheel :
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) Stiffness texture
6) Used in all electric products and electric heating products
We can supply the products according to customer's drawings, samples and performance requirement.
Zirconia Ceramic Gear Properties:
| Processing technology | |
| Process range (mm) | |
| Outside Diameter | 1---300 |
| Inside Diameter | 0.5---300 |
| Length | 0.5---800 |
| Accuracy of working (mm) | |
| Perpendicularity | 0.01 |
| Concentricity | 0.01 |
| Roundness | 0.005 |
| Straightness | 0.005 |
| Parallelism | 0.01 |
| Planeness | 0.005 |
| Roughness | 0.05 |
| Fit clearance | 0.005 |
| 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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Quality guarantee
1. What kind of industry ceramics do you have?
We specialized in 95% 97% 99% alumina ceramic and zirconia ceramic parts.
2. What kind of molding method can you supply? Dry Pressing, isostatic pressing, grouting, hot-chamber die casting, tape casting, injection molding, etc,
5.What terms can you accept for payment?
T/T, L/C , Western union , Money Gram and Paypal is welcome , but paypal and western union only for small-sum payment.