Phone: (800) 257-9515
Fax: (609) 397-0932

Tire Manufacturing

Lehigh Fluid Power manufactures stainless steel and brass water hydraulic actuators for use in the tire manufacturing industry. Lehigh has worked extensively with end users to develop new solutions to replace existing cylinders that were plagued with failures due to the harsh environment. In addition, Lehigh has collaborated with distributors and end users to create ordering programs that significantly reduce normal lead times, often to less than 5 working days.
Advantages

  • Stainless steel construction v. nickel plated for longer life
  • Material combination extends cylinder life, reducing downtime costs
  • Rod gland drains – prevents water leaks on green tires
  • Rod bearing is designed to better handle side loads
  • Strengthened connection between rod and piston for SMO cylinders
  • Ability to accommodate “soft blanket orders” to reduce cost and improve delivery
  • Made in the USA
  • Application Notes

    Working with water treated to lower the pH in an effort to retard organic growth creates a particularly challenging environment. The acidity of the treated water combined with water’s inherently low lubricity makes designing a long-lasting actuator extremely challenging especially when working within rigid maintenance budget constraints. Construction materials must be carefully selected to withstand the corrosive operating fluid and seal compounds must also be selected carefully to combat the low lubricity. Lehigh Fluid Power has been successful in responding to tire manufacturer’s special design requirements.

    On the segmented mold opening (SMO) cylinders, (42”-45” presses), the tire manufacturer required a piston that would attract the magnet in a proximity switch, but also resisted corrosion.
    This photo shows an original piston that met the magnet requirement, but did not survive the corrosive environment. Lehigh was able to replace the piston with a material that better resisted corrosion while still attracting the proximity switch magnet. This not only increased the actuator’s time between rebuilds, but resulted in an actuator that could be more inexpensively rebuilt.

    A tire manufacturer had a problem with the wiffle tree actuator piston rods breaking at the connection with the piston. Lehigh was able to replace the piston rod with a stronger material without sacrificing corrosion resistance. Lehigh also redesigned the piston connection with over-sized threads. These changes eliminated the piston rod breakage, dramatically increasing the useful life of the actuator.

    A tire manufacturer had a loader actuator that was failing prematurely due to an unavoidably high side loading condition. Lehigh redesigned the actuator with an elongated rod bearing and an extra-wide piston. The materials for the rod, tube and piston were also carefully selected to minimize galling and scoring. The design changes resulted in dramatically increased time between rebuilds.

    Product Examples

    Many of the tire manufacturing actuators have been developed to solve individual problems encountered in different facilities. Lehigh has provided:

    8 X 12 Segmented Mold Operator (SMO) Cylinder

    • 8″ bore X 12″ stroke, front flange mount
    • Stainless piston rod
    • Specially coated tie rods
    • Bronze bearing

    10 X 12 Segmented Mold Operator (SMO) Cylinder

    • 10″ bore X 12″ stroke, front flange mount
    • Stainless piston rod
    • Specially coated tie rods
    • Bronze bearing

    6 X 5-1/2 High Pressure Hydraulic

    • 6″ bore x 5-1/2″ stroke high pressure hydraulic
    • Special one piece intermediate trunnion mounting
    • Stroke adjustment, cap end

    4 X 11 Stripping Arm Cylinder

    • 4″ bore X 11″ stroke, rear clevis mount
    • Stainless piston rod
    • Seals for water hydraulics
    • Nickel plated heads and flange

    1 X 16 Chuck Load Cylinder

    • 1″ bore x 16″ stroke
    • Medium duty hydraulic
    • #11 (MS2) side foot mount

    2 1/2 X 82 1/2 Water Hydraulic Cylinder

    • 2-1/2″ bore x 82-1/2″ stroke
    • Medium duty water hydraulic
    • Brass and stainless construction
    • Stainless intermediate trunnion mount

    4 X 12 Water Hydraulic Cylinder

    • 4″ bore x 12″ stroke
    • Medium duty water hydraulic
    • Brass and nickel plated construction with magnetic piston
    • Stainless Steel piston rod
    • MF1 rectangular flange mount

    6 X 14 Water Hydraulic Cylinder

    6X14 water hydraulic

    • 6″ bore x 14″ stroke
    • Medium duty water hydraulic
    • Brass and nickel plated construction
    • Stainless Steel piston rod
    • 8F Rear clevis mount with bushings

    Other examples of tire plant actuators

  • 2-1/2″ bore X 91″ stroke, loader cylinder with intermediate trunnion mount
  • 5″ bore X 18″ stroke with rear clevis mount<

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Contact

1413 Route 179, Lambertville, NJ 08530
Phone: 1 (800) 257-9515
Fax: 1 (609) 397-0932

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