Efficient and maintenance-free conveying of chips and stamped parts
MTF Technik offers an innovative solution for the transport of ferrite materials, which often accumulate in punching shops or during mechanical processing, with its magnetic conveyors from the Multi-Tech series. The extremely strong neodymium permanent magnets ensure that parts are transported safely, even if they are very small or flat. Thanks to the optimal sealing of the belt body, jamming of parts and penetration of dirt are reliably prevented.
Multi-Tech magnetic conveyors impress with their particularly low-wear and low-maintenance design, combined with a torsion-resistant aluminium profile construction. This makes them ideal for use in harsh production environments. Powerful three-phase gear motors ensure maximum reliability, while smooth surfaces allow for easy cleaning. Wear-resistant, anti-magnetic sliding plate and a robust modular design ensure longevity and flexibility.
MTF Technik offers magnetic conveyors that are available in both straight and angled designs to suit different applications. Various angles of 30°, 45°, 60°, 75° or even 90° offer flexibility for your production, while the short delivery time and modular design ensure maximum efficiency. With high operational safety, stable bases and adjustable conveyor speeds, this conveyor is an optimal solution for demanding transport tasks.
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Why should you choose MTF Technik?
Customised product manufacturing
Special solutions
Comprehensive service
Expertise for over 50 years
Patented technologies
Advantages of MTF Technik Magnetic conveyors
Perfect for transporting small, pointed and sharp-edged parts
Strong neodymium magnets for secure transport of parts
Closed design and therefore no jamming of components
Vertical transport of components possible, in some cases even suspended overhead
Wear and low-maintenance design
Maximum work safety thanks to closed design
Robust design for industrial applications
Different drive units for every application
The magnetic conveyor belt in detail
Precise and safe material transport
Precise and safe material transport
A magnetic conveyor belt consists of a frame in which two parallel chain strands run in a longitudinal direction. These chains are driven by the drive shaft with two attached sprockets. The chain links have angle brackets on the sides to which magnetic carrier strips are attached at regular intervals.
An anti-magnetic slip plate is mounted above the rotating magnetic carrier strips. This serves as a support for the conveyed material. The magnetic force acts on the conveyed material, attracts the parts and allows them to follow the movement of the magnetic carrier strips on the upper side of the slip plate. Here, the magnetic carrier strips and slip plate run parallel to each other at a short distance, so that a constant pulling force prevails.
In the delivery area, the magnetic carrier strips follow the radius of the drive sprockets and are then returned to the lower section. The slide plate also initially follows the radius of the sprockets, but then runs tangentially. This continuously increases the distance between the magnet and the slide plate. The attractive force is reduced accordingly and the conveyed material falls off at the desired discharge point.
The drive chains are permanently lubricated in plastic guide strips and are continuously tensioned by springs. The spring tensioners are fully integrated into the belt body and do not protrude at the sides. This ensures minimal maintenance and inspection requirements and increases the availability of the conveyor system. In addition, this ensures a slim design and enables an optimum ratio of external width to usable width.
High-adhesion neodymium magnets ensure high holding force even with compact dimensions. The magnets are mounted on the carrier strips so that the magnetic field lines cover an optimum effective area. The magnets run protected inside the belt construction, which is completely sealed to the outside. This prevents dirt from entering and mechanically stressing or damaging the magnets. This ensures that the magnetic force is maintained over the long term. In addition, the closed design ensures maximum occupational safety, as there are no moving parts accessible from the outside.
High-torque three-phase gear motors are used as the drive. The drive units can be equipped with various control options. Customers decide which interfaces and functions are to be fulfilled. For example, the motors can be configured with motor protection switches, cycle timing devices, frequency converters or special controls, which can also communicate with existing customer systems if required.
The design of the slip plate is defined depending on the material being conveyed. With flatter components, e.g. smooth sheet metal sections, there is a risk of parts sticking due to adhesion. This is particularly true when, for example, viscous punching oils are used, which make the parts "sticky". In these cases, structured slip plates are used to minimise the contact surface and reduce friction.
Depending on the conveyor belt type, the belt load, the customer's requirements in terms of desired adjustment frequency and the belt load, MTF Technik selects the appropriate base frame type. A wide range of different variants ensures perfect functionality and an optimal price/performance ratio.
The MTF Technik magnetic conveyor belts are based on a modular system which, through the intelligent combination of standard components, allows a standardised solution to be found for many different applications and tasks. If necessary, special designs can be added to optimally fulfil the task at hand.
Magnetic conveyor belts are used to transport small, pointed or sharp-edged ferrite components. Typical conveyor goods are screws, rivets, stamped parts and stamping waste, small chips, etc. Magnetic conveyor belts are expressly not suitable for large components or even entire sheet metal panels.
The major advantage of magnetic conveyor belts is that there is no relative movement between a moving belt and fixed side guides, which could lead to jamming. The conveyed material simply slides over the fixed slide plate on the magnetic conveyor belts.
Another advantage is the possibility of conveying parts vertically or even overhead if required. This minimises the space required for the conveyor solution and increases productivity.
We would be happy to provide you with personal advice for your individual requirements.
Questions and answers about Magnetic conveyors
How does a magnetic conveyor belt work?
A magnetic conveyor belt, also known as a magnetic slide conveyor, consists of a belt body in which a chain is guided and driven in parallel on the right and left sides in sliding strips. Magnetic carrier strips are mounted between the two chains and rotate accordingly.
A fixed stainless steel sheet is mounted in the belt body above the magnetic carrier strips. This serves as a support for the conveyed material. The magnetic carrier strips circulating under the stainless steel sheet exert a magnetic force on the ferrite-containing conveyed material and pull it over the slide plate.
On the discharge side, the chains are deflected around a sprocket wheel, while the slide plate continues tangentially. This increases the distance between the magnetic bar and the conveyed material at the deflection point until the magnetic force breaks and the components are discharged.
Where are magnetic conveyor belts used?
The major advantage of magnetic conveyor belts is that, unlike conveyor systems with circulating support elements (e.g. belt conveyors, hinged plate conveyors, scraper conveyors, etc.), there is no gap between the movable support element and the fixed side guides in which small, pointed or flat parts in particular can become jammed. etc.), there is no gap between the moving support element and the fixed side guides in which small, pointed or flat parts in particular can become jammed.
Magnetic conveyor belts are therefore particularly suitable for transporting small parts such as punching waste, chips, nails, screws, pressed parts and burrs.
Why are magnetic conveyor belts advantageous in terms of occupational safety?
The magnetic conveyor belts are designed as a closed system, i.e. the moving parts of the conveyor belt are all encapsulated inside the belt body. This means that there are no pinch, crush or shear points between the driven elements and the belt body.
Any safety risks therefore arise solely from the goods being transported, e.g. if sharp-edged goods are conveyed and are thrown off at the discharge point.
In addition, it must be ensured that persons wearing pacemakers, for example, keep a sufficient distance from the device.
Is the material being transported magnetized during the transport process?
Yes, there is slight magnetisation. The customer must decide how strong this is or how disruptive it may be for subsequent processes. MTF Technik offers to carry out conveyor tests and then makes the conveyed parts available to the customer for further evaluation. This allows you to clarify in advance whether the magnetisation will cause problems.
Magnetic conveyor belts are therefore ideal for transporting waste parts (e.g. punchings, chips, etc.) where any magnetisation has no negative effects on further processing.
Alternatively, downstream demagnetisation coils can be used to neutralise the components. The conveyed material is passed through a coil that generates a strong alternating electromagnetic field, thereby eliminating any residual magnetism.
Can hot parts be transported on magnetic conveyor belts?
Basically, yes. The material to be conveyed falls onto a stainless steel slide plate and is pulled along by the force of the magnets running underneath the plate. This means that there is only direct contact with the slide plate. This makes it possible to transport hot chips, etc.
Can surface-sensitive parts be transported on magnetic conveyor belts?
No. Transporting surface-sensitive components on a magnetic conveyor belt is not recommended. The parts will slip on the support plate. This causes relative movement, which can lead to scratches or similar damage.
Can oily parts be transported on a magnetic conveyor belt?
Yes, oily parts can be transported very well on a magnetic conveyor belt. However, depending on the component geometry and properties of the oil, it may be advisable to use a textured rather than a smooth sliding plate. The knobbed structure of the support plate then ensures that no excessive adhesion processes occur between the surfaces of the component and the slide plate.
Can a magnetic conveyor belt transport vertically?
Yes, a major advantage of magnetic conveyors is the virtually unlimited "line routing" of the conveyor belt. Depending on the size, weight and shape of the material to be conveyed, it can be transported vertically upwards or even upside down using magnetic conveyor belts, thus saving space.
Are magnetic conveyor belts suitable for transporting long or large, heavy components?
No. Magnetic conveyor belts are particularly suitable for transporting small parts. If the conveyed material is too large, the magnetic force is not sufficient to pick up the parts.
Does the magnetic force diminish over time?
No. The magnets do not lose their magnetisation. The adhesive force remains the same. Only external influences such as excessive heat or very strong external magnetic fields can demagnetise them.
