JDC Europe Liaison Office _ Ponte Capriasca _ Switzerland _ mail : info@jdc-europe.com

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JDC Company profile
JDC, Inc. is a Japanese company with more than 30 years
experience in the design and production of metal coils
processing machinery and tools for slitter lines.
JDC was established in 1968 in Osaka for the developmentof civil engineering. In 1987 JDC moved their head office toSasebo in order to concentrate on the business field ofmachinery and in 1994 a new office building and theTechnical Development Center was opened.
In November 1st 2011 the company name of Japan
Development Consultants ,Inc. will change in JDC, Inc.
Our worldwide patented machinery is installed in 34 different
countries where we have sold more than 1000 belt-type
tensioning devices and we have registered a total of 80
patents and trademarks.

JDC machinery for slitter lines

BELTBRIDLE ™ type was launched into theinternational market at the beginning of 1980.
ROBELTOR ™ type was presented in 1994
RB21 ™ type was developed in 2003 after ourlong years experience gained through the sale ofmore than 800 units of Beltbridle and Robeltor.
Since 2003 we have sold more than 250 RB21 ™

RB 21 ™

JDC is specialized in the development and construction of patented belt-typestrip-winding tension devices that are installed in the slitter lines between theloop-pit and the re-coiler.
Our tensioning devices are different from the traditional braking bridle thathas only one roll that process all the slit strips at the same speed .
Our machinery is based on the exclusive multi endless belts system thatprocess each slit strip at its specific speed, also in combination with theinterchange from belt side to felt side by 180 degrees rotation.

JDC equipments for slitter lines••••

SealEx ™ : tubeless type air-expansion shaft
Auto SealEx ™ : tubeless type air-expansion shaft with automatic tool
setting device
HYDEX ™ : hydraulic expansion separator shaft for heavy coils on
recoiling drum
3K-NUT ™ : hydraulic nut for separator setting device of rotary shaft

Ω Omega Type BELTBRIDLE ™
JDC Europe Liaison Office _ Ponte Capriasca _ Switzerland _ mail : info@jdc-europe.com

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field of application of RB21
The field of application of RB21 is to rewind firm and tight coils and to provide a uniform tension for slit stripes of every kind of coilwithout scratching or marking the coil surface and with easy operation and maintenance work.
RB21™ is a very flexible tension unit because of the exclusive interchange concept of belt / felt tension system operated by a
motorized 180 degrees rotary change unit. It is particularly recommended to slitting of coils with a thickness below 2 mm to alarge number of stripes.
RB21™ is able to process many different kinds of coils at an operative speed up to 400 mt/minutes :•••

high quality coils with delicate surfaces using belt bridle elements
normal quality coils using the felt pad side.
oily and wet coils using New Omega belts

RB 21™

APPLICABLE SPECIFICATION
OF COIL FOR STANDARD DESIGN

specially designed machinery may beprovided for application specifications
beyond the standard performance
Thickness range
Maximum coil width
Minimum slit width
Maximum operating speed

belt element side fordry materials

felt pad side fordry materials

felt pad side foroily/wet materials

omega belt foroily/wet materials

mm0.1 up to 3.20.05 up to 60.1 up to 6.00.2 up to 5.0mmmm
mt/min2300
15400
Bright-finished stainless steel
Tin-plated steel
Galvanized steel
Silicon ( magnetic ) steel
Pre-coated steel
Rubber-coated steel
Embossed steel
Bright and coloured aluminium
Bright brass and copper

2300
10400
All non-delicate
surface coils

2300
10400
All oiled/wet coils
All non- delicate
surface coils

2300
20300
All oiled/wet coils
All delicate
surface coils

MAIN PROCESSED MATERIALSRB 21™ processing oily / wet materialsRB21®™ is able to set “New Omega-belt“ which has been developed for processing of even oily materials.
JDC invented the New-Omega belt for treatment of oily-wet surface coils without any scratches on coil surface.
This special belt can catch the wet coil surface by vacuum effect of the special pattern engraved on the belt surface.
Recently, requirements for scratch-free processing of oily material are increasing especially for automobile use.

Omega type endless belt with rugged pattern

New Omega type endless belt with engraved pattern

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The principle of the braking – tension generating method of RB 21™
The special endless belts have two layers with different outer / inner frictional coefficients.
The belts move simultaneously with the coil speed catching by larger friction on the outer side of the belts, and in the meantime
braking tension is generated by smaller friction of the inner side of the belts which are set around the cooling water drums
respectively upper and lower, therefore it is avoided the use of pulleys.
Friction heat is generated due to braking tension built up through the friction force at sliding part of the belt acting on the slider
metal. The heat is carried off by the cooling water in the circulating system.
The belt tension device and the felt tension device are assembled together as a shape mono-frame.
One mono-frame set is located in the upper part and another one is located in the lower part of the stand structure.
The interchange from belts to felts side through 180° rotation of the mono-frames is carried out by the turning gear of the electric
drive motor .
The suitable braking tension according to the thickness of the processed materials is easily controlled by a pressure-regulating
device which is connected to two hydraulic cylinders located in the stand structure to apply a clamping force to the upper andlower mono-frame.

BELT BRIDLE ELEMENTS SIDEQUICK INTERCHANGE BELT / FELTFELT PAD ELEMENTS SIDECOOLING WATER UNIT

DEVICEJDC Europe Liaison Office _ Ponte Capriasca _ Switzerland _ mail : info@jdc-europe.com

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RB 21™ may be installed on a movable cart

Entry side of RB21
The separator is a common spacer and disk
assembly type by our standard design.
The following are available at extra cost:
our “ SealEX “ the air-expansion type shaft
orour “Auto-SealEX” air-expansion type shaft withcomputerised automatic tool setting device.

Front view of RB21
The RB21 is installed on movable cart which isprovided by the manufacturer of the line.

Backside view of RB21
The RB21 needs a hydraulic source, coolingwater piping and an electric cable for control.
These utility pipes and cables shall be
installed on movable cable-bear units at therear of the RB21 unit.

JDC Europe Liaison Office _ Ponte Capriasca _ Switzerland _ mail : info@jdc-europe.com

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Upper side
Dry type belts-elements•The belts can catch drysurface coils through the belt
layer with a high friction
coefficient .

Lower side
Wet type belts-elements•
The belts can catch wet-surface
coils through the belt surface
with a special pattern withvacuum effect.

Oiled surface coils are processed by lower wet-type belts.
The outside of the belts catches oiled coil surface, while the inside of
the belts generate tension due to the friction force acting against thesliding-metal parts.

Upper belt elements are at the position for the dry
coil treating, lowered by hydraulic cylinders locatedon top.
While the dry-type belt elements are on the passline, wet-type belts-elements are evacuated to lower
space in vertical stand.
Every belt element has special connecting /disconnecting fittings for lifting and lowering
movements.

Dry surface coil such as galvanized or pre-painted coil is processed byupper dry-type belts. The dry-type belt is used also for non-ferrous
materials, copper or copper alloy, etc..

APPLICABLE SPECIFICATION
OF COIL FOR STANDARD DESIGNΩ Omega type Beltbridle ™

specially designed machinery may be provided for
application specifications beyond the standard
performance
Thickness range
Maximum coil width
Minimum slit width
Maximum operating speed
PROCESSED MATERIALS

Upper side : Dry type beltelements for dry materials onlyLower side : Wet type belts
elements for oily/wet materials onlymm0.2 up to 3.20.2 up to 5.0mmmm
mt/min2000
20300
All delicate dry surface coils

200040300
All delicate oily/wet surface coils

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Only one product in the world “ SealEX “™ : the tubeless type air-expansion shaft
SealEX ™ is a tubeless air shaft with a disk-driving device in the hollowed shaft that replaces existing separator rolls.
Since it is tubeless inside, there is no risk of a sudden puncture.
SealEX ™ may be installed into any slitter line and may be combined with any tension device.
The long lugs with the integrated trapezoidal elastic seals section in the grooves are extended by compressed air. Then, the long
lug can fix the rotary tools or cores in any position on the SealEX shaft.
As soon as air is released, the long lugs return to the bottom of the grooves due to the reshaping nature of the elastic seal, thenthe rotary tools or cores can be moved freely.
* Clear design -. There are absolutely no movable parts around the shaft since the disk-driving device is arranged in the hollow
shaft.
* Safe & durable - The disk-driving device (screw rod/driving block/hook piston) is protected by the shaft, therefore operations aresafe and smooth.
The long-lug is extended by the elastic rubber seal . There are no rubber tubes that may suddenly burst.
* Light Aluminium – The high-grade hollow aluminium shaft is very lightweight and thus rotates smoothly, even when processing
thin gauge strips.

Only one product in the world “AutoSealEX” ™ : the shaft with automatic tool-setting device“AutoSealEX” ™ is the motorized and computer-controlled version of the SealEX ™
* Computerized - The servo-motor drives the screw and by a computer program sets each of the movable disks in accurateposition.
* Labor-saving & fast - no need for setting thousands of disks and spacers as with conventional separators.
Set-up of the disks using "Auto-SealEX" only takes mere 1 to 2 minutes.
* Repeat program – Set- up is simplified due to the stored computer program. For performance of the same slitting process, onlypress one button on your key pad.

JDC Europe Liaison Office _ Ponte Capriasca _ Switzerland _ mail : info@jdc-europe.com

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HYDEX” ™ : the hydraulic expansion separator shaft for heavy gauge coils

SLIT PROGRAM BY TOUCH PANELDISKS FIXED BY HYDRAULIC FORCEUSED ON RECOILER DRUMALSO USED BEFORE TENSION UNIT

3K-NUT ™ , the hydraulic nut for separator tool setting device for rotary shaft
Using simple a T-bar wrench, turn the pressure screw to push the pressure piston in so that the internally sealed oil
is pressurized to push out the ring piston, which in turn presses the rotary tools, such as spacer and cutter for theslitter machine, into position. At the same time, the thrust power can be observed by the thrust-power indicator.
Since the main body is made of aluminium alloy which has only one third the weight of steel, it can be easily handled
by operators.

WITHOUT INNER-THREAD

WITH INNER-THREADCountries where we have installed more than 1000 belt-type tensioning devices
ASIA

EUROPEAMERICAAFRICA

AUSTRALIAJAPANCHINATAIWANHONG KONG
KOREA
PHILIPPINES
INDIA
VIETNAMMALAYSIATHAILAND
SINGAPORE
INDONESIACAMBODIAGERMANYITALYFRANCESPAIN
PORTUGALSWEDENNETHERLANDBELGIUM
UNITED KINGDOMSWITZERLAND
POLANDSLOVAKIACZECH REPUBLICRUSSIA
TURKEYUSA
CANADAMEXICOBRASIL

SOUTH AFRICA

AUSTRALIAJDC Europe Liaison Office _ Ponte Capriasca _ Switzerland _ mail : info@jdc-europe.com

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Various kinds of delicate surface coils are processed by the belt-type tension device as follows :Bright-finished stainlessTin-plated steel

Galvanized steel

Silicon steel

Pre-coated steel

Ruber-coated steel

Embossed steel

Bright Aluminium

Color Aluminium

Plastic-film covered Aluminium

Bright-finished Brass

Bright-finished Copper

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For enquiries or if you wish to receive a quotation for one of our machines, please state the data below:

ENQUIRY DATA SHEET
Purpose : slitter – trimming – recoiling – coating – annealing orother purpose
Kind of coils ( material )Dry or wet coils
Line flow direction ( from left to right or from right to left
Coil width
Coil thickness rangeMinimum slit width
Maximum number of strips
Maximum operating speed
Depth of looping-pit

mmmmmmpcs
mt/minmt

CONTACT

JDC, inc.
President : Mr. Yoshito Hashikawa
Head Office :5-29 Hizukushi-cho, Sasebo-city, Nagasaki-ken
857-0852, Japan
Telephone: 0956-34-7500 Fax : 0956-34-7501
mail : business@jdc-inc.co.jp web site : www.jdc-inc.co.jp

JDC, inc.
Europe Liaison Officemanaged by Mr. Saverio Adamo and Ms. Hisako Hashikawa
Via Ombrosa 2, Ponte Capriasca (Tl),Switzerland
Tel : +41-91-911-6420 Fax : +41-91-922-2928
mail : saverio.adamo@jdc-europe.com - hisako.hashikawa@jdc-europe.com

sale agents
China : Jinan Tri-Tiger Technology Development Co.,Ltd
Taiwan : Harvard Enterprises Corp.
Taiwan : Chen Kong Trading Co., LTD.
Korea : Nana Trading Corp.

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