Casting Measurements

MLC-V235 Continuous Casting Mold Level Automatic Measurement System


Overview

The automatic control for the molten steel level of the mold is one of the key technologies of continuous casting production. It is very important to reduce the labor intensity of workers, improve production efficiency, improve the quality and output of casting billet, reduce overflow and breakout of steel and improve the management level of steelmaking and continuous casting.

The molten steel is poured into the mold. In order to prevent overflow, the molten steel level must be kept stable. Otherwise, during the casting process, if the level will fluctuate too much, and slag will be involved, forming surface slag inclusion on the surface of the casting billet, affecting the quality of the billet. The test points out that the relationship between the level fluctuation and the depth of casting billet surface slag inclusion is as follows:

The experience has shown that surface slag inclusions can be eliminated when the level fluctuation is within 10mm. At the same time, if the level fluctuation is more than 10mm, the rate of longitudinal cracks on the casting billet surface is 30%. It means that the level fluctuation directly affects the surface quality of the casting billet.









The principle of the system

The eddy current type molten steel level gauge is the key to the system. The system operates reliably and has excellent performance: high temperature resistance, strong anti-interference ability, fast dynamic response (lag time

Our cast iron weights are made using high quality cast iron that ensures their high durability and strength. The stackable cast iron weights that we offer can be availed in bulk. We assure that each and every piece is highly precise and efficient.

Sizes : 50g, 100g, 200, g500g, 1kg, 2kg, 5kg, 10kg, 20kg, 50kg

Meter diameter (mm): And the connection mode 25,40,50,65,80,100,125,150,200,250,300 use flange connection
Precision grade   ±1.5%R,±1.0%R,±0.75%R(special)
Quantity range:  1:10;1:20;1:30
Instrument material: 304 stainless steel;Impeller: anticorrosive ABS or high quality aluminum alloy;Monitor: cast aluminum
Measured medium temperature (?) : -30?~+80?
Environmental conditions of temperature :-20?~+60?
, relative humidity 5%~90%
, atmospheric pressure 86 ~ 106 kpa
The output signal
Sensors pulse frequency signal, the low level 0.8 V or less, high level 8 V or higher
two wire system 4 ~ 20 madc current signal Power supply
VOLTAGE + 12 VDC and + 24 VDC (optional) + 24 VDC
Display type instrument comes with 3 v lithium battery
Signal transmission line  STVPV3 x 0.3 (three-wire system), 2 x 0.3 (two wire)
transmission distance   =1000m
Protection IP65
Explosion-proof grade basic   ExdIIBT6

# Callipers Measuring range of 0-1000 mm;
# With and without fine tunning;
# Material – constructional or stainless steel;
# Mat chromed scale;
# Reading – 0.1 and 0.05 mm.

# Special callipers 3-point vernier calliper;
# 5-point vernier calliper;
# Marking-off vernier calliper;
# Weld seam gauge;
# Other types.

# Vernier depth gauges Measuring range of 0-500 mm;
# Reading 0.1 and 0.05 mm;
# Material – constructional or stainless steel;
# Mat chromed scale.

# Micrometers Measuring range of 0-25; 25-50; 50-75; 75-100 mm;
# Reading – 0.01 mm;
# Measurement reading surface of hard alloys (carbide).
Range 0-25 mm.

# Coordinate small size tables One-coordinate;
# Two-coordinate;
# Three-coordinate;
# Stroke along the coordinate: 0-25 mm

# Measuring stands Type A2 – with magnetic switch at the base;
# Type A4 – with cast-iron base and T-shaped groove;
# Type B3 – with square-riffled table;
# Micrometer holder.

# Smooth gauges Plug gauges – one sided;
# Plug gauges – two sided;
# Snap gauges.

# Thread gauges Thread plug calipers – one sides;
# Thread plug calipers – two sides;
# Thread ring gauges.

# Smooth rings Reference rings;
# Setting rings
Range: 6-150 mm.

# Squares and rulers Flat squares;
# Squares with base;
# Checking rulers;
# Templates.

# Angle gauges Protractor with lock screw
Range 80x120 – 300x500 mm;
# Protractor with sliding rod
Range 120x240 – 300x500 mm Reading - 1°

# Marking-off tools (scribers) Straight scriber – one sided (with knurled handle);
# Bended tip scriber – two sided (with knurled handle);
# Trammel for tracing and marking with small base;
# Vernier caliper with two needles and fine adjustment;
# Height gauge with fine adjustment.

Sst20 inclinometer based on vigors advanced tilt measurement technology, to meet with low cost, high reliability and volume application, performs high performance-cost ratio.
Sst20 employed most universal & mass-produced components, casting aluminum alloy house, universal high reliability m12-5pin industrial connector; full epoxy seal with ip69k protection, auto-test/calibration equipment which not only ensure delivery speed, also keep the consistency of goods.
Thanks for vigor engineers, they adopt advanced technologies as:
- cae/eda simulation;
- modal test for both housing and pcb to eliminate resonance due to vibration;
- comprehensive performance & function test for component & firmware;
- calibration technology based on sst300 high accuracy inclinometer;
- refer mil/ en/ iso/iec standards to enhance sst20 durability & reliability.
Sst20 support remote diagnosis without disass embling. Mtbf more than 10 years per time. Can work in 10m submersible depth long time and has better emc ability.
Sst20 output rs485/ca
n/canopen and voltage/curre
nt signals. Better power management to meet with automotive /truck/vehicle application without regulated power.
Oem service is available with calibrated pcba or mil qualified.