108
Advantages of continuous mesh belt furnaces
Steve Cropper, sales manager,
Standard Product Group, Can-Eng Furnaces International Limited.
Can-Eng is the industry leader in enclosed and fitted with swing and guillotine parts on to the mesh belt makes it very easy
Continuous Mesh Belt Furnace equipment. doors. Parts gain momentum in the angled to detect load height. Parts are in the open
Over the past 20 years, Can-Eng has chute and crash into the doors / feeder / belt and at room temperature. A non contact light
supplied over 150 systems ranging from
/ or each other, causing thread damage. curtain over the belt provides graduated
100 kg/hr to 3,300 kg/hr production
Whereas, mesh belt furnace systems are sensing of the load height. Not only does this
capacity.
continuously loaded by an open top provide a maximum furnace load height limit
horizontally mounted vibratory feeder. The alarm, but it also provides warning alarms on
Traditionally, Continuous Mesh Belt Furnace
transfer elevation difference is less than a part by part basis. An allowable maximum
equipment has been used for lower
50mm. The uniformly distributed parts load height is integral to each part recipe.
production rates, while cast link belt
transfer from the vibratory feeder to the
equipment has remained dominant for
furnace belt in a smooth steady flow. Impacts Minimal Part Drops
production rates greater than 1,000 to 1,500
are minimal. The part feed rate is tightly
Can-Eng designs the entire furnace line with
kg/hr. Can-Eng Furnaces broke through this
controlled, resulting in a consistent, repeatable
soft handling as a priority. Chutes and
barrier in the early 1990’s with systems
process.
hoppers are fitted with polymer linings to
producing 2,700 kg/hr. Can-Eng has
minimise thread damage. Transitions
continued to improve and refine its technology
Viewable loading conditions
between equipment are closely coupled to
with new systems that push production
With a cast link belt furnace, the part loading
eliminate hang up points and minimise the
boundaries. System production rates now run
takes place inside the furnace. An operator
as high as 3,300 kg/hr. Can-Eng’s high
cannot observe the parts at the point of
potential of part mixing.
capacity Continuous Mesh Belt Furnaces
placement on the belt. In contrast, part
Systems provide an alternative to traditional
loading for the mesh belt furnace system
Can-Eng Furnaces’ experience, customer
cast link belt furnace equipment. Continuous
takes place outside the furnace. Parts are
feedback and continuous improvement all
Mesh Belt Furnaces have many advantages
clearly visible prior to furnace entry.
contribute to the best soft handling continuous
over cast link belt furnaces, primarily soft part
furnace equipment on the market today.
handling. Soft part handling is particularly
Simple load height sensing
important with externally threaded fasteners.
As noted above, parts are deposited on the
Any thread damage can cause problems
cast link belt inside the furnace, making it
ranging from sorting, to rejects, and ultimately
extremely difficult to detect load height on
part recalls. A number of design features
the belt. Should there be a hang up in the
combine in Can-Eng’s Continuous Mesh Belt
loading chute or if a door misses a cycle, it is
Furnace System to provide this advantage.
possible to have a transient ‘heap’ on the belt.
Parts within the heap may not attain full
Hall:14
Gentle part loading
temperature and therefore reach proper
In a cast link belt furnace parts are fed via
metallurgical properties. The resultant quality
Stand: D34
steeply angled chutes
issues are tremendous. Exterior loading of
that are
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