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| CoorsTek offers a wide variety of long-life, heat-stable, and corrosion-resistant ceramic hard-face seals using high-grade aluminas, silicon carbide, tungsten carbide, carbon graphite, and specialty polymers. |
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Alumina ceramics:
AI2O3-99% AI2O3-97%
Purigy--------------------% 99.5 97.0
Density-------------------g/cm3 3.89 3.71
Hardness Vickers1kg-------Kg/mm2 2000 1900
Modulus of Elasticity-----GPa 330 280
Fracture toughness--------Mpa*m1/2 3.8 3.5
Flexural Strength (MOR)---MPa 330 320
Compressive Srrength------MPa 2600 2300
Thermal Expansion (CTE)---10-6/K 8.2 8.0
Thermal conductivity------W/(m.K) 30.0 26.0 |
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Chesterton’s 1210 Ceramic Stationary Seal Face may be used with 891 and 440 rotary seals to form a dual mechanical seal. The 891 is the inboard seal exposed to the process fluid. The 440 is the secondary (outboard) seal that seals barrier fluid to the atmosphere.
Can supply variable barrier pressure through the unit.
Shields the environment from the pumped fluid.
Provides a clean fluid to the inboard seal faces.
Can operate as a pre-installed "stand-by" seal in the event of primary seal maintenance. |
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Due to unbeatable wear resistance hardness and hot hardness SPK-Ceramics established itself as an ideal cutting material for mass production of cast iron parts, hard rolls and hardened steel. Machining speed is increased, production time shortened, output, productivity and efficiency are highly improved.
A wide range of products for SPK-WURBON® is completing the range of cutting materials for high performance machining of cast iron and hardened steel.
SPK-Cermets achieve best surface qualities and dimensional accuracy of the work pieces in finishing steel. They are ideal suited for finishing and fine finishing operations with low chip cross sections and uniform depths of cut.
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Grade SA7402
For use in: hardened steels and cast iron.
For finishing to semi-finishing.
- This grade was specifically designed for hardened steels.
- Excellent wear resistance with higher cutting speeds. High toughness
and thermal shock resistance.
- Alternative to CBN in stable conditions.
Grade SA8204
For use in: Rough and heavy interrupted machining of cast iron and high speed machining of cast iron.
- First choice for machining cast iron.
- High toughness and thermal shock resistance.
- Excellent wear resistance and strong edge strength.
- For use with or without coolant. |
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Ceramic balls are particularly suited to harsh environments. Their main advantages over steel is that they have a density of 40% lower than steel. Have 29% lower thermal expansion and are 150% harder. In certain high-speed applications their life is extended by as much as a hundred times. The three main materials used are Alumina Oxide, Zirconia Oxide and Silicon Nitride.
Material Specifications-Alumina Oxide
Composition: 99.5% Al2O3/0.5% other
Hardness: 1700 Hv
Max Work Temp: 1400oC
Material Specifications-Zirconia Oxide
Composition: 97% ZrO2/3% MgO
Hardness: 80 - 84 Ra
Max Work Temp: 2400oC
Material Specifications-Silicon Nitride
Composition: 87% Si3N4 / 13% other
Hardness: 1400 - 1700 Hv
Max Work Temp: 1000oC
Standard Grades Available
3, 5, 10, 16, 20, 28, 40, 100. |
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| CERBEC balls are known worldwide for their extremely smooth surface finish. Our manufacturing process is totally dedicated to Si3N4 finishing. This focus yields surface finish typically < 0.10 micro inch (< 0.003 micron) consistently from batch to batch for the tens of millions of balls we produce annually. Reduced bearing friction from Si3N4 is a function of smooth surface finish - it must be done right all at the time. CERBEC balls have over 10 years' history of superior surface finish. |
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Flex-Lag® Weld-On Ceramic
Eliminate the belt vibration and cleaner chatter often caused by ordinary weld-on lagging by installing Flex-Lag® Weld-OnCeramic Pulley Lagging. It features a new gutterless design with easily installed over-lapping segments. So the wide gaps between strips of conventional weld-on lagging products are eliminated.
Flex-Lag® Ceramic
When conventional rubber lagging fails to correct belt slippage, the solution is Flex-Lag® Ceramic Tile Lagging. Our Ceramic Tile Lagging features the highest coefficient of friction available in lagging materials - two to three times the friction of rubber in wet, muddy or dry conditions. |
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Micro-arc oxidation (MAO) ceramic coating is a revolutionary method to produce hard and corrosion resistant ceramic coatings on Al, Mg, Ti and other light metals as well as their alloys. MAO method uses the effects of forming micro-arc plasma discharges on the surface of the parts treated in water electrolytic solution. Because of influences of these discharges on the parts, a multi-function protective ceramic coating forms with unique properties:
very high hardness (HV1000-2500); excellent wear resistance; excellent corrosion resistance; extremely high adhesion performance of the coating; dielectric property; high thermal shock resistance; ...
We can provide parts treated with such MAO technology, such as roller, shafts and other parts which require high abrasion wear resistance and corrosion resistance. |
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Magnets
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OVENS FOR TECHNICAL AND ARTISTIC CERAMICS AND PORCELAIN
EMME GROUP designs and builds gas or electricity powered ovens for the ceramics and porcelain sector using the newest and most advanced technology on the market.
Completely safe, simple to use, with close monitoring of the temperature in use, higher uniformity of heat spread and energy saving ability these ovens have the seal of approval of important groups and customers in various sectors nationally and overseas, including:
Our gas and electricity powered ovens include a vast range of products from, ovens for free time use, to the latest models for large and medium industry.
Our technical office can design and produce ovens according to the clients specific needs.
Experience, professionalism and a good post-sales assistance including technical assistance guarantee the top quality of our products which are all certified and in keeping with current laws and regulations. |
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Furnaces
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Noliac's Ceramic Multilayer Benders products are based on the company's advanced multilayer technology, harnessing the full potential of the piezoelectric effect at very low operating voltages.
Multilayer piezoelectric benders are single co-fired ceramic components with ceramic layers and internal electrodes configured as to generate a bending mode.
The most common bender geometry is a narrow rectangle (CMBP) with typical performance range up to +/- 1500µm stroke and up to 10N blocking force.
Noliac has also developed a unique ring shape bender (CMBR) with typical performances range up to +/- 150µm and up to 100N blocking force.
Multilayer benders are used in numerous applications within e.g. optics, telecommunication, instrumentation, automotive, valves. |
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Actuators, shear plates (CSAP)
Noliac's line of ceramic shear actuator plates (CSAP) is based on the Noliac Group's advanced piezo technology.
Based on the piezoelectric shear mode, Noliac's shear actuators can be made more compact and have higher resonant frequencies than conventional piezo actuators. In addition, their low capacitance results in reduced power requirements for a given generated displacement in dynamic operation.
Shear actuators are used in numerous applications within e.g. nanopositioning, precision mechanics, active vibration cancellation, semiconductor manufacturing and testing. |
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Argweld® Weld Backing Tape
Glass fibre weld backing tape.
The tape would ideally be used for:
One-sided welding of weldable metal.
To achieve a flatter, smooth, coke free weld bead to minimise the need for post-weld grinding and cleaning.
Common metals welded with 'Backing Tape' include:
carbon steels
stainless steel
chrome-moly and duplex steels
copper nickel
cast iron
The tape comprises a 75 mm wide, heat resistant aluminium sticky tape, in the centre of which is a 25 mm wide band of woven glass fibre cloth.
The material is available in two grades:
Standard 80 amp Light duty for use up to 80 amps
Heavy Duty 160 amp Heavy duty for use up to 160 amps
It is possible to weld onto the tape with MIG, Stick, TIG or plasma processes, so long as the recommended current levels are not exceeded.
The lightweight grade comes in 25 metre lengths and the heavyweight in 12.5 meter lengths.
If lengths are needed to be joined, rolls of the sticky aluminium tape without the fiber are available from Huntingdon Fusion Techniques Limited, allowing a small length to be cut off to join two lengths of the 'Backing Tape' together.
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Strapping machine suitable to strap the pallet vertically, it is equipped with strapping head mod.MS300. The optional features we recommend are:
- retractable sword
- translation device
- device for inclined strapping
- corners protectors device
- model with two heads and two bayonets
- device advising that the reel is finished |
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System solutions for the Construction industry / For new installations or for integration into existing packaging lines
The right machine
Due to the flexibility of their machine construction programme,
Strapex can offer tailor-made solutions for customers
individual applications.
The right strap
A comprehensive range of plastic strap (PET, PP) and steel strap
each with their own characteristics to ensure that strap and
equipment are always the best possible combination!
Worldwide Sales and Service
You will receive expert advice on choosing the right solution
and service package together with the guaranteed availability
of spare parts. |
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