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740331-000 Fiches technique(PDF) 23 Page - Tyco Electronics

No de pièce 740331-000
Description  RAYCHEM Tubing Products
Download  24 Pages
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Fabricant  MACOM [Tyco Electronics]
Site Internet
Logo MACOM - Tyco Electronics

740331-000 Fiches technique(HTML) 23 Page - Tyco Electronics

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Dimensions are in inches and
Dimensions are shown for
USA: 1-800-522-6752
Germany: 49-6251-133-1999
CIS WR 08/2011
millimeters unless otherwise
reference purposes only.
Canada: 1-905-475-6222
China: 86-400-820-6015
specified. Values in brackets
Specifications subject
Mexico: 52-55-1106-0800
Japan: 81-44-844-8013
are metric equivalents.
to change.
L. & S. America: 54-11-4733-2200
UK: 44-800-267-666
RAYCHEM Tubing Products
Versatile Bed Heater for
Large Assemblies and
Product Facts
The Versatile Bed Heater
(VBH-1) is the latest
generation of reliable and
versatile process heaters.
Closed-loop speed and
temperature control
Controlled process
Adaptable for a large variety
long length and heat
sensitive applications
Heater operation and over-
temperature alarm lights
Heater and track are sold
seperately. See available
track lengths on page 2-24.
Speed Control
The belt speed is selected
using a 3-digit thumbwheel
(on the front panel) via a
closed-loop motor controller
and DC gear motor.
Controlled Heating Zone
The VBH-1 processor has
two stamped foil heating
elements that are manufac-
tured to a strict size and
wattage specification.
Consistent temperatures
(ambient to 650ºC) are con-
trolled by a thermocouple
embedded into the upper
heating element connected
to a closed loop tempera-
ture controller. An alarm
light illuminates whenever
the actual heating element
temperature varies from the
set point temperature.
Minimal Skill Requirements
The open loading area of
the holding fixtures on the
VBH-1 requires that the
operator simply place the
assembly on the holding
fixtures within the effective
width of the heat zone. The
assemblies can be removed
once the heater transporter
has passed over the assem-
blies and has come to a
complete stop in either the
right or left parking stations.
The traveling heater is
designed to process a
broad range of heat-shrink-
able products up to 127
mm [5 in] in diameter and
infinite length.
The infrared energy source
is well-suited for efficient
processing of either single-
wall or adhesive-lined tubing.
Heat output and drive speed
can be controlled to accom-
modate a wide variety of
products and substrates.
The VBH-1 is an integrated
modular unit consisting of
an upper and lower heater
chamber with a transporter
base and motorized wheels
that are directed through an
aluminum track. The heater
transporter automatically
stops when it reaches the
parking station at either end
of the process area.
It has been designed to
accommodate a large vari-
ety of difficult to process
applications. With an
adjustable upper heating
chamber the heater separa-
tion can be adjusted from
37 mm [1.5 in] to a 150 mm
[6 in] gap enabling the unit
to process heat-shrinkable
tubing products up to 127
mm [5 in} in diameter. The
upper and lower chambers
are provided with adjustable
heat shields to maximize
the oven heating efficiency.
Available in:
Asia Pacific
Safety Features
• Emergency Stop
• Automatic cool-down
circuit to extend the life
of the components
• Over-temperature switch
that shuts off all power in
the event of an overheat
• Lockout on temperature
and speed controllers to
prevent unauthorized
• Safety guards to protect
operator from moving
parts and hot surfaces

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