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    MANUAL HEAT STAKER

    Item No: TMHS400

    Product Description

    MANUAL HEAT STAKER

    Ideal for R&D or production, the TMHS400 is perfect for staking, swaging, inserting and degating. This compact and rugged bench-top unit has many features found in our pneumatic heat staker including digital temperature control and screw-in tip design. No compressed air…just plug it in and go! Three to four week lead time.

    FOB OH.

    STANDARD FEATURES

    • Digital temperature control with readout.
    • Adjustable height, mechanical stop and threaded tip receiver.
    • Base plate with threaded tool mounting pattern.
    Standard Flared Stake — The standard flared stake satisfies the requirements of most applications.  This stake is recommended for bosses with an O.D. of 1/16 inch or larger, and is ideally suited for low density, nonabrasive amorphous plastics.

    Spherical Stake — The spherical stake is preferred for bosses with an O.D. less than 1/16 inch (1.6mm) and is recommended for rigid crystalline plastics with sharp, highly defined melting temperatures; for plastics with abrasive fillers; and for materials that degrade easily.

    Hollow Stake — Bosses with an O.D. in excess of 5/32 inch should be made hollow.  Staking a hollow boss produces a large, strong head without having to melt a large amount of material.  Also, the hollow stake avoids sink marks on the opposite side of the component and enables parts to be reassembled with self- tapping screws should repair and disassembly be necessary.

    Knurled Stake — The knurled stake is used in applications where appearance and strength are not critical.  Since alignment is not an important consideration, the knurled stake is ideally suited for high volume production, and is often recommended for use with the Thermal Assembly System. 

    Swaging
    Swaging uses the controlled flow of molted plastic to capture or retain another component (usually of another material) in place. All swaging tips are custom made to ft the application.

    Side Swaging — One common swaging tip configuration is the “Side Swaging Tip”. Designs requiring the retention of glass lenses or other components require “side swaging” and can be successfully accomplished using angled probes contoured to form the plastic posts to the side, capturing the component by its edge.

    Insertion
    When a regulated and controlled heat source contacts and transfers heat to a metal insert, it is called insertion. The insert is placed in a hole, either straight or tapered, in accordance with instructions from the insert manufacturer. As the insert is heated, pressure is applied to the insert. The transfer of heat from the insert to the plastic softens and melts the plastic, and the insert is pressed into the molded plastic hole. The molten plastic reflows into the undercuts and features on the outside of the insert body. It is necessary for the pressure applied to the insert to be sufficient to drive the heated insert into the plastic but not so excessive as to crack the plastic during insertion. The final placement of the insert in the plastic should be flush to slightly above the top of the hole, not recessed. Because a recessed insert allows vertical movement, it will cause a jacking out of the insert and thereby lower the performance of the insert. The temperature of the heated tip doing the insertion must be at or above the melt temperature of the plastic sub straight.

    Degating
    When a regulated and controlled heat source heats a metal blade that melts the plastic in the gate area and separates the runner from the molded part, it is called degating. The combination of heat and pressure applied to the part(s) during degating should be sufficient to preform the degating but should not excessively melt the plastic in the gate area or allow the cracking of the part. Metal blades have to be designed to ft each application. Gate areas in excess of 0.25" x 0.25", depending on the plastic, may leave a smearing of the plastic.




    Staking: Also referred to as “heading” or “riveting”, staking is the process of forming a plastic stud (boss) over another component to hold the two pieces together.
    TTHSTK $180
    2 weeks lead time



    Swaging uses the controlled
    flow of molted plastic to capture or retain another component (usually of another material)
    in place.
    TTHSWG $180
    2 weeks lead time


    Insertion: When a regulated and controlled heat source contacts and transfers heat to a metal insert, it is
    called insertion. The insert is placed in a hole, either straight or tapered, in accordance with instructions from the insert manufacturer.
    TTHSNT $135
    2 weeks lead time


    Degating: When a regulated
    and controlled heat source heats a metal blade that melts the plastic in the gate area and separates the runner
    from the molded part, it is
    called degating.
    TTHSDG $135
    2 weeks lead time

    Staking

    Tip Code Letters

    Boss Diameter Standard Flare Stake Spherical Stake

    Inches

    High
    Profile

    Low
    Profile

    High
    Profile

    Low
    Profile

    1/32

    H

    N

    HH

    NN

    1/16

    I

    O

    II

    OO

    3/32

    J

    P

    JJ

    PP

    1/8

    K

    Q

    KK

    QQ

    5/32

    L

    R

    LL

    RR

    3/16

    M

    S

    MM

    SS

    All Sizes $180 each — Specify Size
    Specify Boss Diameter When Ordering (FOB OH)


    Inserting

    Insert Size
    SAE

    Inside Diameter of Insert

    Pilot Diameter of Tip
    (Dim. A-inches)

    4-40

    0.088

    0.078

    6-32

    0.106

    0.096

    8-32

    0.133

    0.123

    10-24

    0.147

    0.137

    10-32

    0.160

    0.150

    1/4-20

    0.200

    0.190

    1/4-28

    0.211

    0.201

    5/16-18 0.262 0.252


    All Sizes $135 each
    — Specify Size

    Degating— Degating Blades are custom made for your application.
    Swaging Tips— Swaging Tips are custom made for your application.
    (Please call for pricing)


    Specifications and additional product information
    Power Requirements: 120 VAC 50/60Hz Height Adjustment: 3.5” to 12”
    Current draw @ full rated output: 15 amps Maximum Power: 400 watts
    Current draw @ full rated output: 5 amps Stroke length: 4” (10.16cm)
    *Screw-in tips and tooling to suit your application available on request
    $3,300.00
        
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