Thermal camera provide multiple ROIs and area measurement. Auto HOT SPOT tracker penetrate thru out scale. Longer FOV provide shape analysis and temperature. Advanced cool housing water based 315°C. Analog/ USB 2.0 and Ethernet GgE/ PoE
Open Die Forging
Pilger mill in tube rolling mills - hot and cold pipe detection
Forging Process : Deforming of metal piece between multiple dies
- Short measurement wavelength of 1μm
- No alignment required as >3.5 lacs pixels working with auto hot spot tracker
- Wide temperature range : 450 to 1800°C
- Higher Image resolution 764 x 480 pixels
Challenges
- No target alignment during moving process
- Error in measurement as scale presence on surface due to oxidation.
- Obstacle due to moving hammer
Solution
- Multiple ROIs and area measurement
- Auto HOT SPOT tracker penetrate thru out scale.
- Longer FOV provide shape analysis and temperature.
- Advance cool housing water based 315°C
Analog/ USB 2.0 and Ethernet GgE/ PoE
Products and Accessories
Other Solutions for Molten Metal
Case Study Number
- TP3
Challenge
- The increasing flexibility of production lines requires a high adaptability of sensors. Continually changing object geometries, different temperatures and very high radiation or surrounding temperatures are no rarity.
- In a pilger mill those rough conditions can be found, among others in the production of seemless steel pipes. The raw steel blocks, each weighing a few tons are heated up first in a round oven at a temperature of 1300 °C.
- After descaling of the surface, the steel block is prepunched in a hole press with a strength from a converted 2000 t. In the next sloping rolling mill the growing pipe rotates between two rollers that are positioned at an angle to each other. The punching is widened to the size of the mandrel diameter.
Previous solution / Competitor product
- N/A
Solution
- The sensor that was installed at this application is the HMD OKA 2038.38 G with tube OL 19.
- The signal of the infrared sensors controls the movement of centering device and abutment. The point of view is restricted by the tube and prevents disturbances by steam in the cooling phase.
- An optimum adaptation to the operating conditions is given due to the adjustable response temperature. The HMD with self-learning response temperature (Auto-Teach function) is suited to continually changing conditions.
- The compact sensor with a stainless steel housing can withstand surrounding temperatures of up to 75° C. The use of a cooling jacket raises this up to 200° C.
- Alternatively sensors with fibre optic cables are available which permit an application at ambient temperatures up to 600° C without cooling.
Customer Benefits
- Maintenance-free
- High temperature stability
- Recognition of hot objects at big distances
- Self adjustment with Auto-Teach or step switch for the response temperature
Product Part number
- OKA 2038.38 G
Brand
- Proxitron
Accessories
- Piros swivel stand HM2
- Tube OL 19
- Pilot light unit (for alignment) DAK 308 + OL 26
- Different cable lengths (e.g. 15 m)
Customer Testimonial
compared to previous solution or competition
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