- Model NO.: H180
- Material: Cast Iron
- Manipulate Way: Semi-Automatic Manipulation
- Type: Circular Gear
- Material of Elements: Material of Elements
- Color of Elements: Black
- Surface Treatment of Steel Hubs: Black Oxide
- Trademark: SYPT
- Origin: China
- Application: Industry
- Hardness: Hardened
- Manufacturing Method: Cast Iron
- Material of Hubs: Gg25
- Bore Size of Hubs: Pilot Bore or Made to Order
- Numbers of Inserts: 8 for Size 180
- Weight: 16.55kg/Set
- Specification: ISO, SGS
- HS Code: 8483600090
SYPT H-EUPEX high flexible couplings are for shaft connection of machines,they compensate for shaft misalignment,generating only low  restorative forces.
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The torque is conducted through elastomer flexibles, so the coupling  has typically flexible rubber properties.
The flexible inserts of the H-EUPEX coupling are subjected to compression. If the flexible inserts are irreparably damaged, the hub parts  come into contact with metal. This "emergency operation capability" is required, etc., in the case of fire pump drives.
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The motor torque is transmitted to the hub at the drive end via  the shaft-hub connection, which is mostly designed as a keyway connection. The torque is transmitted to the hub on the output  side with the aid of elastomer flexible inserts. The hub on the output  side further transmits the torque to the driven machine or a gear  unit placed in between. Because of the primarily compressionloaded  elastomer flexible inserts, the coupling has a progressive  torsional  stiffness.
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High Precision Machining is defined as a process of changing the dimensions or the performance of workpiece with machining facilities.
According to the temperature of the workpiece while in machining, high precision machining can be divided into cold working and hot working. Usually, machining under indoor temperature, and won't change cause chemical change or phisical phase change is named cold working. On the other hand, if under temperature, higher or lower than room temperature, which will lead to chemical changes or phase changes, it will be called as hot working.
For high precision machining, the machining tolerance can be up to 0.0001-0.001mm, the surface finish Ra can be 0.02-0.1um.
Machining precision is to describe the actual geometrical parameter of the part after machining, such as the size, the form, the position, comparing with the theoretical geometry parameter. The difference from these two parameters is the machining tolerance. The number of the difference show the machining accuracy, the bigger, the lower of the machining precision, the smaller, the higher machining precision.
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