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Regarding Chamfer measuring tool to measure counter hole with dia and angle

Regarding Chamfer measuring tool to measure counter hole with dia and angle

(OP)
Hi,
Can anyone please help or suggest me to measure counter sunk hole with dia 10.01mm plus or minus 0.25mm and angle 100 degrees plus or minus 20 degrees.

Regards,
Ravi

RE: Regarding Chamfer measuring tool to measure counter hole with dia and angle

What feature do you want to inspect? The c'sink diameter, the c'sink taper angle, the hole diameter, the positional location of the c'sink or hole, the runout from the c'sink surface to the hole surface?

The common c'sink gauge uses a conical probe to measure the c'sink depth. But the cone angle of the probe must be greater than the max cone angle of the c'sinks being measured. In the example above, the cone angle of the gauge probe would need to be >120deg.

RE: Regarding Chamfer measuring tool to measure counter hole with dia and angle

(OP)
We need to measure C sinks dia and Taper angle.

RE: Regarding Chamfer measuring tool to measure counter hole with dia and angle

(OP)
There are 136 counter sunk holes and 2 tools will take much time.
This inspection needs single which can measure both hole dia and angle.

RE: Regarding Chamfer measuring tool to measure counter hole with dia and angle

(OP)

RE: Regarding Chamfer measuring tool to measure counter hole with dia and angle

Seems to me that the human eye should be able to pass/fail the majority of countersinks with a +/- 20degree tolerance.. that should drastically reduce the ones worth checking with the single purpose tool.

RE: Regarding Chamfer measuring tool to measure counter hole with dia and angle

(OP)
Does anyone know how to check the above requirement?

RE: Regarding Chamfer measuring tool to measure counter hole with dia and angle

Sometimes there just isn't an easy button..
A custom go/no-go tool may need to be done..
Do you really need 100% inspection on all holes? Many companies have a lot/sampling program and rarely perform 100% inspection on all features..

Or maybe a 3d inspection camera/laser might be needed..

RE: Regarding Chamfer measuring tool to measure counter hole with dia and angle

(OP)
Yes, we need 100% inspection on all holes.

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