DURA–LIGHT® FIBERGLASS COMPOSITE CORES [PDF]

DURA–LIGHT ® FIBERGLASS COMPOSITE CORES

High strength, lightweight cores which can be reused indefinitely. No more costly crushed core and core tear-out problems associated with paper and plastic cores. The end of ergonomic, corrosion, and shipping issues common with metal cores.

DOUBLE E COMPANY, INC. Excellence in Engineering

Dura–Light® composite cores are precisely wound using the proven methods of an industry leader. Double E has been the authority in composite tube technology for well over a decade.

DOUBLE E COMPANY

DURA–LIGHT ® COMPOSITE much or more than the core itself CORES – BACKGROUND to solve the core crushing problem. Relentless pressure to reduce Either way, the plugs and caps must costs and improve productivbe purchased, stored, inserted, and ity have created unprecedented removed prior to disposal. In many demand for innovative ways cases, the metal caps themselves may to decrease waste, improve tear away from the paper core, safety, save money, and inresulting in the need to remove and crease productivity. While salvage a roll. All of these factors often bypassed as a potential increase the cost of “inexpensive” area of improvement, cores disposable paper cores. are just that. The right core METAL AND PLASTIC CORES can save huge amounts of money and drastically improve Traditional alternatives to paper operations. Dura–Light® fiberglass cores include metal and unreinforced composite cores from the Double E plastics. Steel cores, in addition to Company outperform all other being relatively expensive, create options, and offer the best value ergonomic and safety issues, corroavailable today. sion problems, and unnecessary added expense when shipping to DISPOSABLE PAPER CORES other plants or customers. AlumiThe converting industry has long num cores are lighter than steel, but overlooked a major source of waste are still very heavy. In some plants, in its use of disposable paper cores. theft has been a problem due to the The relatively low initial purchase high salvage value of aluminum. price of a paper core is misleading Unreinforced plastic cores, while when you consider: solving many of the problems associ• actual cost-per-use ated with metal, cannot support • warehouse storage space heavy rolls – they distort and crush • frequent ordering & receiving under the tension of the wound roll, • disposal especially if the roll is left to stand • occasional loss of an entire roll for any period of time. Even under of material due to core damage modest loads, plastic cores suffer • inconsistent ID tolerance from distortion which often renders • dust contamination rolls unusable and lost to scrap. • moisture absorption DURA–LIGHT® CORES • core fires Paper cores have high costs and Dura–Light® fiberglass composite performance problems associated cores are designed and manufactured with them. In addition to the issues by the Double E Company – the listed above, paper cores offer poor world leader in composite technolcrush strength and tear-out resisogy for the paper, film, and foil tance as well as low critical speeds. industries. These cores solve all of These factors limit roll size and web the problems associated with each of speed, obviously reducing efficiency. the alternatives. They are lightOften, the poor crush strength of weight, high strength cores which paper cores cause mills and convert- can be reused indefinitely. They ers to employ wooden or plastic withstand high tension so they won’t plugs. Some converters and printers crush, and it is impossible for them use metal caps which can cost as to tear out regardless of torque

magnitude. They’re far lighter than metal and don’t suffer from corrosion problems. In fact, Double E composite cores are less than half the weight of a comparable aluminum core, but are offered at similar prices. The cost of a mill paper roll can be $5,000 or more. It makes sense to protect that investment

by using a core that will not fail during winding, transport, storing,

Dura–Light® composite cores are available in diameters up to four feet and in lengths up to 32 feet.

and unwinding. With Double E composite cores, you can rest assured that your rolls will be protected, your productivity will increase, you’ll save money, your employees will be safer, and your shipping costs will decrease. Dura–Light® cores are available in diameters up to 48 inches (122 centimeters) and in lengths up to 32 feet (9.75 meters).

COMPARISON OF CORE PROPERTIES ID

OD

(IN)

(IN)

MAT’L

MODULUS CRUSH STR. DENSITY WGT (LB/IN^2)

(LB/IN^2)

(LB/IN^2) (PER IN)

ID

OD

(IN)

(IN)

MAT’L

MODULUS CRUSH STR. DENSITY WGT (LB/IN^2)

(LB/IN^2)

(LB/IN^2) (PER IN)

3 3 3 3

3.56 F-GLASS 2.15X10^6 3.56 ALUM 10X10^6 3.56 STEEL 30X10^6 3.56 PAPER 2.01X10^5

8.16X10^3 2.23X10^4 6.5X10^4 1.09X10^2

0.07 0.1 0.283 0.025

0.2 0.29 0.82 0.07

8 8 8 8

8.56 F-GLASS 2.15X10^6 8.56 ALUM 10X10^6 8.56 STEEL 30X10^6 8.56 PAPER 2.01X10^5

3.24X10^3 8.83X10^3 2.56X10^4 4.31X10^2

0.07 0.1 0.283 0.025

0.5 0.72 2.06 0.18

4 4 4 4

4.56 F-GLASS 2.15X10^6 4.56 ALUM 10X10^6 4.56 STEEL 30X10^6 4.56 PAPER 2.01X10^5

6.5X10^3 1.74X10^4 5.04X10^4 8.3X10^2

0.07 0.1 0.283 0.025

0.26 0.37 1.06 0.09

10 10 10 10

10.56 F-GLASS 2.15X10^6 10.56 ALUM 10X10^6 10.56 STEEL 30X10^6 10.56 PAPER 2.01X10^5

2.61X10^3 7.02X10^3 2.03X 10^4 3.46X10^2

0.07 0.1 0.283 0.025

0.63 0.9 2.55 0.22

5 5 5 5

5.56 F-GLASS 2.15X10^6 5.56 ALUM 10X10^6 5.56 STEEL 30X10^6 5.56 PAPER 2.01X10^5

5.14X10^3 1.36X10^4 3.94X10^4 6.73X10^2

0.07 0.1 0.283 0.025

0.32 0.46 1.31 0.11

12 12 12 12

12.56 F-GLASS 2.15X10^6 12.56 ALUM 10X10^6 12.56 STEEL 30X10^6 12.56 PAPER 2.01X10^5

2.19X 10^3 5.84X 10^3 1.69X10^3 2.88X10^2

0.07 0.1 0.283 0.025

0.76 1.08 3.06 0.27

6 6 6 6

6.56 F-GLASS 2.15X10^6 6.56 ALUM 10X10^6 6.56 STEEL 30X10^6 6.56 PAPER 2.01X10^5

4.26X10^3 1.17X10^4 3.39X10^4 5.66X10^2

0.07 0.1 0.283 0.025

0.39 0.55 1.56 0.13

14 14 14 14

14.56 F-GLASS 2.15X10^6 14.56 ALUM 10X10^6 14.56 STEEL 30X10^6 14.56 PAPER 2.01X10^5

1.87X10^3 5.01X10^3 1.45X10^4 2.48X10^2

0.07 0.1 0.283 0.025

0.87 1.25 3.55 0.31

7 7 7 7

7.56 F-GLASS 2.15X10^6 7.56 ALUM 10X10^6 7.56 STEEL 30X10^6 7.56 PAPER 2.01X10^5

3.75X10^3 9.80X10^3 2.84X10^4 4.91X10^2

0.07 0.1 0.283 0.025

0.45 0.64 1.81 0.16

16 16 16 16

16.56 F-GLASS 2.15X10^6 16.56 ALUM 10X10^6 16.56 STEEL 30X10^6 16.56 PAPER 2.01X10^5

1.64X10^3 4.38X10^3 1.27X10^4 2.19X10^2

0.07 0.1 0.283 0.025

1 1.43 4.05 0.36

MATERIAL

MOISTURE ABSORPTION

CORROSION RESISTANCE

CORE REUSE

HANDLING & SAFETY

PURCHASE PRICE

OVERALL ECONOMY

PAPER STEEL-CAPPED PAPER PLASTIC ALUMINUM STEEL FIBERGLASS COMPOSITE POOR

FAIR

GOOD

VERY GOOD

EXCELLENT

DURA–LIGHT ® FIBERGLASS COMPOSITE CORES

DURA–LIGHT ® CORES CUSTOMER SPECIFICATIONS Please fax us the following preliminary information; we’ll contact you with a formal quotation.

CUSTOMER INFORMATION

EXISTING CORE SPECIFICATIONS

Company Name: _________________________ Individual Contact: _______________________ Address: ________________________________ City: ______________________ State: _______ Postal Code: _____________________________ Country: ________________________________ Telephone: ______________________________ Fax: ____________________________________

Core Material: Steel Plastic Fiber Aluminum Steel Capped Other: __________________________________ Core Inside Diameter: _____________________ Core Outside Diameter: ____________________ Core I. D. Tolerance: ± _____________________ Number of Core Reuses: ___________________

ROLL SPECIFICATIONS

Type of Machine (sheeter, slitter, coater, etc.): _______________________________________ OEM/Machine Manufacturer: _______________ Model Number: __________________________ Approximate Age: ________________________ If Shafted, Shaft Manufacturer: _______________________________________ If Shaftless, Chuck Manufacturer: _______________________________________ Single Brake/Drive Dual Brake/Drive

Maximum Roll Weight: ____________________ Maximum Roll Diameter: __________________ Maximum Roll Width:_____________________ Maximum Web Tension (lb./linear inch): _____ Maximum Web Speed (ft./min.): ____________ Web Material: Board Paper Film Foil Other: ___________________________ Web Thickness/Weight: ____________________ Minimum Emergency Stopping Time: ________

MACHINE SPECIFICATIONS

PROBLEMS WITH PRESENT CORES Reuse Weight Crush Strength Tear Out Moisture Absorption Disposal Costs Others and Comments: _______________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ Please fax this completed sheet to (508)580-2915 for a formal quotation.

Printed on recycled paper

DOUBLE E COMPANY, INC. 319 Manley Street, West Bridgewater, MA 02379 U.S.A. Tel: (508) 588-8099 / Fax: (508) 580-2915 e-mail: [email protected] website: www.doubleeusa.com

The SR71 was first introduced in 1965 as a state-of-the-art spy plane. At the time, it revolutionized aerodynamic technology, and to this day it represents superior engineering, speed, strength, and being the best. The Double E Company is proud to have the consent of Lockheed Aircraft to use the SR71 as its corporate symbol. CN