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Magnetic Crack Detector Machine for Steel Bars
This Magnetic Crack Detector is a wet horizontal bench-type unidirectional machine that generates circular magnetization meant for checking both bright & black rolled steel round bars. Circular magnetization is achieved by clamping the bar directly between the headstock & tailstock and passing current through it. The machine is capable of detecting longitudinal cracks only. The headshot current can be switched between HWDC & AC for the detection of subsurface & surface cracks. The machine is semi-automatic in operation. All operations, such as loading, spraying, magnetization, demagnetization & unloading, are automatic. The only manual operation is the inspection.
The Magnetic Crack Detector machine has nylon rollers for placing & rotating the bar on the machine during the inspection.
Adjustable magnetization time of up to 2.0 seconds allows for the complete development of indications.
Available in various part lengths & diameter ranges.
The Magnetic Crack Detector machine is provided with a dark room frame, hood & curtains so that inspection with fluorescent inks can also be carried out.
Features
- Automatic loading from infeed bench.
- Automatic unloading from outfeed rollers to separate OK/Reject stacks.
- Magnetization, spraying & inspection all on one station.
- PLC-Based Control. Fully automatic cycle for faster testing.
- 7 Inch Touch Screen for control.
- Large Digital Ammeter with Retention.
- Operator controlled an automatic double shot
- 50 Program memory to store settings for different diameters.
- Error displayed on the touch screen for easy diagnostics.
- Digital, stepless current control.
- Heavy duty transformer.
- Both sides have Pneumatic clamping.
- Stainless Steel liquid storage tank.
- Stainless Steel collection tray
- Reverse agitation bath system.
- Continuously movable tailstock with cam lock
- Integrated decaying-AC demagnetization with automatic control
- Feedback loop-based current control with current failure indicator.
- Standard make PLC & HMI. Easily serviceable.
Specifications
| Headshot Current Capacity | Models staring from 4000A going up to 6000A |
| Maximum Part Length Accommodation | Staring from 5m going up to 10mm |
| Maximum Part Diameter | Staring from 16mm going up to 160mm |
| Maximum Part Weight | 1200Kg |
| Storage Bath Capacity | 50-150 L |
| Shot Time | Adjustable from 0.5 sec 2.0 sec |
| Power Supply | 3 Phase 4 Wire 415V AC/220V AC |
| Frequency | 50Hz or 60Hz |
| Pneumatic Pressure Required | 4-6 Kg/cm2 |
| Control Voltage | 24V DC |
| Touch Screen Display Size | 7” Diagonal |
Optional Features:
- Automatic rotation of bar while spraying & inspection.
- Automatic motorized movement of tailstock according to the length of the bar.
- Automatic movement of overhead UV LED light.
- Automatic spraying
BENEFITS & APPLICATIONS
Benefits
- Fully Automatic operation
- SCR-based digital current control for accuracy & precision
- Feedback loop ensures repeatability
- Reverse agitation system keeps the powder always dissolved in the carrier fluid
- Pneumatic clamping ensures no sparks
- 7-inch Touch Screen for operator comfort
- PLC-controlled operation for faster & reliable testing
- Low voltage output for operator safety
- Operator controlled the Poka yoke for the demagnetization cycle
Applications
- Bright Steel Bars
- Black Steel Bars
Product models
Horizontal Clamping Models
Model | Head Shot Capacity | Maximum Bar Length | Minimum Bar Length | Maximum Bar Diameter | Minimum Bar Diameter |
MK-40-400-BRT | 4000A AC & HWDC | 4m | 2m | 75mm | 16mm |
MK-50-600-BRT | 5000A AC & HWDC | 6m | 2m | 90mm | 25mm |
MK-60-C-800-BRT | 6000A AC & HWDC | 8m | 2.5m | 120mm | 50mm |
MK-80-C-1000-BRT | 8000A AC & HWDC | 10m | 3m | 160mm | 75mm |
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