ECT Hold-Down Gates Adjustable Hold-Down Gate
Linear Motion Hold-Down Gate

Contents:
Adjustable Hold-Down Gates
Linear Motion Hold-Down Gates


Hold-Down Finger Styles
(Order by Part Number.)

Adjustable Hold-Down Gates enable the user to position adjustable fingers for uniform distribution of pressure on the UUT surface. Perfect for use on vacuum fixtures designed to test PCBs with open vias. Uniform pressure holds the PCB tight against top plate gasketing, while allowing the PCB to contact and deflect spring probes. Adjustable in X, Y and Z axes. Gate opens to 90°. Gas spring holds gate open at any angle. Quick-release handle locks gate in position for testing.

Adjustable hold-down fingers with Delrin tips are offered in four styles. Optional 1/2" riser frames and riser fingers accommodate tall components. Gate components are aluminum, steel and composite. Each gate is shipped completely assembled with instructions for installation on the fixture. Hold-down fingers are sold in packages of 10.

An optional sealing package is recommended for applications that require isolation of probes from vacuum. The package includes the gate, a Twin-Seal gasket and 3/8 G-10 stiffener plate.

Model No. Max. Usable Area
HDG-S 6 x 8.5 (152 x 216)
HDG-S-90° 8.45 x 4.55 (215 x 116)
HDG-M 8.5 x 14 (216 x356)
HDG-M-90° 8.5 x12.5 (216 x318)
HDG-L 19 x12 (483 x305)

How to Order

  • Order should include:

  • Gate Model Number
  • Fixture Model Number
  • Style, Part Number and quantity of hold-down fingers required (in multiples of 10).
  • Specify optional sealing package and 0.5 (13) riser frame, if required.





Linear Motion Hold-Down Gates

Linear Motion Hold-Down Gate Hold-down gates - relaxed and engaged

Linear Motion Hold-Down Gates feature a rack and pinion gear mechanism which shifts ramp rails to position the gate precisely parallel to the UUT. In operation, the gate is lowered to the parallel position and registers on alignment pins. When the handle is lowered, the ramp rails move forward and their linear motion is converted to vertical motion to engage the UUT in virtually perfect registration, eliminating "raking" action which might damage UUT components.

Gate components are aluminum, steel and composite. Gate is shipped completely assembled with instructions for installation on the fixture.

Model No. Max. Usable Area
LMHDG-M 12.5 X 9 (318 X 229)

How to Order

  • Order should include:

  • Gate Model Number
  • Fixture Model Number
  • Quantity of hold-down fingers required. (30 are supplied with the gate. Order Part Number 805249 for additional quantities.)


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