SPECIFICATIONS:

PURPOSE: COIL TO COIL HORIZONTAL FURNACE TO BRIGHT ANNEAL STAINLESS STEEL

STRIP IN A CONTROLLED HYDROGEN/NITROGEN ATMOSPHERE USING A WEB LOOP TENSION

CONTROL SYSTEM TO PREVENT STRETCHING AND SHAPE DEFORMITY.

MAXIMUM WIDTH OF STRIP: 16" (406MM)
THICKNESS OF STRIP: 0.005" - 0.060" (0.127MM - 1.5MM)
MAXIMUM OPERATING TEMPERATURE: 2250 DEG. F (1230 DEG. C)
MAXIMUM COIL WEIGHT: 4,000 LBS. (1815 KG)
LINE SPEED: 0-80 FPM (0-24M/MIN.)

PROGRAM SPECIFICATIONS:

ONE (1) SPECIAL CONTROLLED ATMOSPHERE, HORIZONTAL, ELECTRICALLY HEATED

CONTINUOUS STRIP ANNEALING FURNACE LINE. MAXIMUM FURNACE OPERATING TEMPERATURE

2250 DEG. F (1230 DEG. C). MATERIAL TO BE ANNEALED: STAINLESS STEEL STRIP

VARYING IN THICKNESS FROM 0.005" (0.127MM) TO 0.060" (1.5MM) AND MAXIMUM WIDTH

OF 16" (406MM). CYCLE: HEAT TO 2200 DEG. F (1200 DEG. C), COOL TO

APPROXIMATELY 150 DEG. F (65 DEG. C) IN THE FAST COOL SECTION.

CAPACITY: THE EQUIPMENT WILL HAVE SUFFICIENT HEATING AND COOLING AVAILABLE TO

CONTINUOUSLY PROCESS 900 LBS. (400 KG/HR.). PER HOUR OF 14" (355MM) STRIP

UNDER CYCLE SPECIFIED ABOVE. THE ABOVE REFERS ONLY TO THE AMOUNT OF HEATING

AND COOLING AVAILABLE. THE ACTUAL CAPACITY WILL DEPEND ON THE NATURE OF THE

MATERIAL BEING HEATED, ITS ABILITY TO ABSORB AND RELEASE HEAT, THE WIDTH AND

GAUGE OF THE STRIP BEING ANNEALED AND THE ACTUAL HEATING AND COOLING CYCLE

BEING EMPLOYED.

CONDITION OF THE MATERIAL: THE EQUIPMENT DESCRIBED HEREIN WILL PROVIDE FOR

CLEAN OR BRIGHT ANNEALING OF THE STAINLESS STEEL STRIP, PROVIDING THAT THE

MATERIAL BEING ANNEALED IS CLEAN AND NON-OXIDIZED. SOME TYPE OF STAINLESS

STEEL MAY LOOSE A CERTAIN AMOUNT OF LUSTER IN THE ANNEALING OF THE STAINLESS

STEEL STRIP, BUT THE MATERIAL WILL BE DELIVERED FROM THE EQUIPMENT IN NON-

OXIDIZED CONDITION, DEPENDING ON THE QUALITY AND QUANTITY OF THE PROTECTIVE

GAS ATMOSPHERE.

CONTROLS: NEMA 12 FLOOR MOUNTED ELECTRICAL ENCLOSURE WITH PLC CONTROLLER WITH

DIGITAL INTERFACE, AC/DC DRIVES, PANEL MATE TOUCH SCREEN OPERATOR INTER PHASE,

PC BASED DATA LOGGING SYSTEM, WITH COMPLETE SOFTWARE FOR SEQUENCING AND

CONTROL OF ALL SYSTEM LOGIC.

GENERAL ARRANGEMENT: THIS SECTION DESCRIBES GENERAL DIMENSIONS OF THE FURNACE

SYSTEM. PLEASE NOTE THAT THE ACTUAL LENGTH WILL DEPEND ON THE OPTIONS SELECTED

AND SPECIFIED BY THE PURCHASER.

1. DRIVEN UNCOILER WITH AC MOTOR, GEAR BOX AND ENCODER
INSIDE DIAMETER OF COIL: 16" (406MM)
MAXIMUM WEIGHT OF THE COIL: 4,000 LBS. (1815 KG)
MAXIMUM COIL WIDTH: 16" (406MM)
MANDREL SHAFT FACE WIDTH: 20" (508MM)
EXPANSION RANGE: 15" TO 16" (381MM - 406MM)
EXPANSION/COLLAPSE: HYDRAULIC
DRIVE: DRIVEN BY AC MOTOR
LINE SPEED: 80 FPM MAXIMUM (24M/MIN.)
BACK TENSION: BY 7.5 HP AC MOTOR AND GEAR BOX

DESCRIPTION: THE UNCOILER RECEIVES AND HOLDS THE COIL FOR FEEDING INTO THE

LINE ON UNDER PAY-OFF MODE. THE UNCOILER MANDREL HEAD WILL BE OF FOUR-SEGMENT

WEDGE TYPE ASSEMBLY. THE SEGMENTS ARE ATTACHED TO THE SLIDING SLEEVE THROUGH A

SERIES OF INTERLOCKING MACHINED WEDGE SURFACES. THE SEGMENTS WILL BE

RESTRAINED FROM SLIDING SLEEVE BY A FLANGE ON THE MANDREL THROUGH A WEAR

STRIP. A 4,000 LB. MAXIMUM WEIGHT COIL IS PLACED AND CENTERED ON THE MANDREL.

THE UNCOILER IS EQUIPPED WITH HYDRAULIC EXPANSION FEATURE TO HOLD THE COIL. A

7.5 HP AC MOTOR AND GEAR BOX PROVIDES BACK TENSION. THE MANDREL SHAFT ASSEMBLY

IS MOUNTED ON A FABRICATED AND PRECISION-MACHINED HOUSING ON ANTI-FRICTION

BEARING. THE BEARING END COVERS ARE PROVIDED WITH GREASE NIPPLES FOR

LUBRICATION OF BEARINGS. THE ACTUATION OF THE MANDREL HEAD EXPANSION AND

COLLAPSE WILL BE BY HYDRAULICALLY OPERATED SCREW MECHANISM FROM THE FRONT SIDE

OF THE HEAD ASSEMBLY.

2. BANNER ENGINEERING ULTRA SONIC COIL DIAMETER SENSOR

3. ABSOLUTE 1024 PULSE ENCODER

4. TENSION BRIDLE # 1 (AT ENTRY SIDE):
TYPE OF BRIDLE: S - TYPE
NO. OF ROLLS: TWO
DIAMETER OF THE ROLLS: 16" (406MM)
FACE WIDTH OF ROLLS: 16" (406MM)
LINE SPEED: 80 FPM (24M/MIN.)
ROLL DRIVE: BY 5 HP, 1500 RPM, DC MOTOR WITH GEAR BOX.

DESCRIPTION: THE TENSION BRIDLE WILL HAVE TWO BRIDLE ROLLS MOUNTED ON A COMMON

BASE FRAME. BOTH THE ROLLS ARE DRIVEN BY A 5 HP DC MOTOR THROUGH A HELICAL

REDUCTION GEARBOX. THE POLYURETHANE COVERED ROLLS ARE MOUNTED ON THE BASE

FRAME ON ANTI-FRICTION BEARINGS.

5. DEFLECTOR ROLL: NEXT TO THE TENSION BRIDLE ROLL # 1, A DEFLECTOR ROLL IS

PROVIDED IN FRONT OF THE FURNACE ENTRY CHAMBER. THE DIAMETER OF THE ROLL IS 4"

AND IT IS A TUBULAR CONSTRUCTION MOUNTED ON BEARING BLOCKS ON ANTI-FRICTION

BEARINGS. THE BARREL OF THE DEFLECTOR ROLL IS GROUNDED AND HARD CHROME PLATED.

6. TENSION LOAD CELLS # 1: THIS IS USED TO GIVE THE TENSION FEEDBACK BETWEEN

THE ENTRY BRIDLE AND DEFLECTOR ROLL AT THE END OF FURNACE. IT IS DESIGNED TO

CONTROL THE STRIP TENSION IN THE FURNACE LOOP. A TENSION MEASURING LOAD CELLS

ARE PROVIDED UNDER THE DEFLECTOR ROLL IN FRONT OF THE TENSION BRIDLE # 1 AT

THE DELIVERY SIDE OF THE LINE TO MEASURE AND CONTROL PRECISELY AND PERMANENTLY

TO ALLOW FOR A RELIABLE THE REFERENCE VALUE, THERE ARE IRREGULARITIES IN THE

MATERIAL BEING TREATED IN THE PRODUCTION RUN AS SUCH. THESE IRREGULARITIES

WILL BE CORRECTED IMMEDIATELY BY THIS TENSION MEASURING LOAD CELLS. THIS UNIT

CONSISTS OF THE WEB TENSION MONITOR (LOAD CELLS) MOUNTED ON THE BRACKETS OF A

ROLL. THE WEB TENSION MONITOR DETERMINES THE ACTUAL TENSION VALUES, CONVERTED

INTO LINEAR, OVERLOAD-PROOF ANALOG SIGNALS, ARE PASSED ON TO THE DC MOTOR

CONTROLLER AND AMPLIFIED. THE SIGNALS HAVE A HIGH ZERO POINT CONSTANCY. THE

PLC COMPARES THE REFERENCE VALUE WITH THE ACTUAL VALUE AND THE LOGIC EMITS A

SIGNAL TO THE DC MOTOR CONTROLLER.

7. CHARGE END GAS ATMOSPHERE ENTRY SECTION: A SPECIAL ATMOSPHERE SEAL

ASSEMBLY, INCLUDING GAS TIGHT STEEL HOUSING OF WELDED CONSTRUCTION WILL BE

PROVIDED. THE HOUSING WILL INCORPORATE A SEAL SYSTEM INCORPORATING FELT PADS

WITH ONE ROLL EACH ABOVE AND BELOW THE STRIP ARRANGED FOR EASY ADJUSTMENT OR

REPLACEMENT. IN ADDITION, A FABRICATED NITROGEN CURTAIN SYSTEM WILL BE

INCORPORATED ADJACENT TO THE SEALS TO MINIMIZE AIR INFILTRATION AND MAINTAIN

POSITIVE FURNACE PRESSURE. THERE WILL BE PROVISION FOR A WATER-JACKETED

EXTENSION ADJACENT TO THE CHARGING END OF THE FURNACE-HEATING CHAMBER. THE

EXTENSION WILL HAVE INNER AND OUTER SHELLS OF GAS TIGHT WELDED CONSTRUCTION.

THE INNER AND OUTER SHELL WILL BE FABRICATED FROM 1/2" THICK T 316L ALLOY

PLATES, REINFORCED AND SUPPORTED WHERE NECESSARY AND EQUIPPED WITH STAINLESS

STEEL WATER INLET AND OUTLET FITTINGS FOR CONNECTION TO THE PLANT WATER SUPPLY

AND DRAIN LINES. THE ENTRY CHAMBER AT PASS LINE WILL HAVE HIGH TEMPERATURE

ALLOY ROLL COVERED WITH GRAPHITE TUBE. THE ISOSTATICALLY MOLDED GRAPHITE TUBE

WILL BE OF HLM GRADE, 4.00" +/- .005" O.D. X 3.050" +/- .005" I.D. X 26" LONG

WITH POLISHED SURFACE GRADE 890S. THE ROLL WILL BE DRIVEN BY A 1.5 HP AC MOTOR

AND MATCHING GEAR BOX.

8. FURNACE: A 20 FT. LONG X 4 FT. 10" WIDE X 4 FT. HIGH HOT ZONE MADE OF 1/2"

STEEL PLATE, WITH ELECTRICAL HEATING ELEMENTS KANTHAL K-A1 PROVIDING THE

HEAT(240 KW, 240V, DELTA 2 IN SERIES). THERE IS FURNACE MUFFLE MADE OF HT

ALLOY 600 18" X 16" X 17.5' LONG. THE FURNACE COVERING WILL BE COVERED ON THE

UNDERSIDE WITH FIREBRICKS RATED TO 2600 DEGREES F TO MAINTAIN UNIFORM HEAT

ENCLOSE IN THE HEAT CHAMBER ENCLOSURE. HIGH PURITY ALUMINA FIREBRICKS ON ALL

SIDE CAPABLE OF WITHSTANDING 2,600 DEGREES F WILL LINE THE FURNACE. THE

OPERATING TEMPERATURE WILL BE 2150 DEGREES F, WHICH WILL BE DIGITALLY

CONTROLLED WITH PROCESS/CONTROL THERMOCOUPLES X 3 ZONE CONTROL AND DIGITAL

TEMP. PID CONTROL SYSTEM. THE FURNACE WILL BE DESIGNED TO PREVENT ANY SCRATCH

MARKS ON THE MATERIAL AND THE TENSION CONTROL SYSTEM WILL PREVENT STRETCHING

OF THE MATERIAL IN THE HEAT ZONE.

9. JET COOLING SECTION: THE HOT ZONE IS FOLLOWED BY A 25 FT. LONG COOLING ZONE

MADE OF 1/4" STEEL WITH THREE GRAPHITE TUBING COVERED DRIVEN ROLLS. THE JET

COOL SECTION HAS 0.5 HP AC MOTOR DRIVEN GAS TIGHT BLOWER FAN X 3 WITH

PROVISION FOR WATER COOLING. IT IS DESIGNED TO OPERATE IN EXTREME TEMPERATURE

ENVIRONMENTS. CONTINUOUS WELDED HOUSINGS, SPECIAL BRACING AND CENTERLINE

SUPPORTS ARE USED, TO ALLOW FOR THERMAL EXPANSION AND TO STRENGTHEN BLOWER

RIGIDITY. IT HAS GAS TIGHT CONSTRUCTION AND HAS SHAFT SEALS, COOLING SECTION,

SPECIAL BEARINGS AND OTHER FEATURES TO ALLOW FOR OPERATION AT HIGH

TEMPERATURE. THERE IS ALSO PROVISION FOR HEAT EXCHANGER WITH ALUMINUN FINS.

IT IS WATER COOLED WITH CIRCULATING WATER TO RAPIDLY COOL THE STAINLESS STEEL

STRIP. PROCESS HYDROGEN AND PURGE NITROGEN IS INTRODUCED AT THE BEGINNING OF

THE COOL ZONE VIA STAINLESS TUBING TO PREVENT OXIDATION. TEMPERATURE IS

MONITORES BY K TYPE THERMOCOUPLE. THEY HAVE EXCELLENT LONG TERM OUTPUT

STABILITY AT HIGH TEMPERATURES, TEMP. UP TP 1335 deg. c (2440 deg. f) AND HAVE

LOW THERMAL DRIFT. HAZARDOUS AREA CERTIFIED DEW POINT TRANSMITTER TRANSMET IS

(MITCHELL INSTRUMENT) IS USED TO MONITOR PROCESS DEW POINT. THE INTRINSICALLY

SAFE TRANSMET I.S. CERAMIC DEWPOINT TRANSMITTER MEASURES DEW POINT OVER THE

RANGE -100/+20 deg. c. IT IS DESIGNED FOR USE WITHIN THE FOLLOWING HAZARDOUS

AREAS: CLASS i, DIVISION 1, GROUPS a, b, c & d t4 WHEN USED WITH AN

APPROPIATE SAFETY BARRIER(s). THE TRANSMET I.S. IIS CONNECTED AS A 3-WIRE

TRANSMITTER WITH A CURRENT SINK OUTPUT, WHICH CAN BE SWITCH SELECTED FOR

EITHER 4-20ma or 0-20ma. THIS OUTPUT IS LINEAR OVER THE ENTIRE DEWPOINT

MEASUREMENT RANGE, from -100/+20 deg. c dp. TRANSMET I.S. IS APPROVED AS AN

INTRINSICALLY SAFE DEVICE FOR USE IN HAZARDOUS LOCATIONS

10. DISCHARGE END


11. AUTO EDGE WEB GUIDE SYSTEM

This machine is listed for sale by National Machinery Exchange Inc located in Newark, New Jersey