Ball Screw Knowledge
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Ball Screw Knowledge | PHT Vertex

Inspection Method | Ball Screw

Inspection Method #1 | Ball Screw

Radial Runout of the Cirecumference of the Part Mounting Section in Relation to the Supporting Portion Axis of the Screw Shaft.

Support the supporting portion of the screw shaft with V blocks. Place a probe on the circumference of the part mounting section, and read the largest difference on the dial gauge as a measurement when turning the screw shaft by one revolution.

Inspection Method #2 | Ball Screw

Radial Runout of the Circumference of the Thread Root in Relation to the Supporting Portion Axis of the Screw Shaft.

Support the supporting portion of the screw shaft with V blocks. Place a probe on the circumference of the nut, and read the largest difference on the dial gauge as a measurement when turning the screw shaft by one revolution without turning the nut.

Inspection Method #3 | Ball Screw

Perpendicularity of the Supporting Portion End of the Screw Shaft to the Supporting Portion Axis.

Support the supporting portion of the screw shaft with V blocks. Place a probe on the screw shaft's supporting portion end, and read the largest difference on the dial gauge as a measurement when turning the screw shaft by one revolution.

Inspection Method #4 | Ball Screw

Perpendicularity of the Flange Mounting Surface of the Screw Shaft to the Screw Shaft Axis.

Support the thread of the screw shaft with V blocks near the nut. Place a probe on the flange end, and read the largest difference on the dial gauge as a measurement when simultaneously turning the screw shaft and the nut by one one revolution.

Inspection Method #5 | Ball Screw

Radial Runout of the Nut Circumference in Relation to the Screw Shaft Axis.

Support the thread of the screw shaft wtih V blocks near the nut. Place a probe on the circumference of the nut, and read the largest difference on the dial gauge as a measurement when turning the nut by one revolution without turning the screw shaft.

Inspection Method #6 | Ball Screw

Parallelism of the Nut Circumference (Flat Mounting Surface) to the Screw Shaft Axis.

Support the thread of the screw shaft with V blocks near the nut. Place a probe on the circumference of the nut (Flat Mounting Surface), and read the largest difference on the dial gauge as a measurement when moving the dial gauge in parallel with the screw shaft.

Inspection Method #7 | Ball Screw

Overall Radial Runout of the Screw Shaft Axis.

Support the supporting portion of the screw shaft with V blocks. Place a probe on the circumference of the screw shaft, and read the largest difference on the dial gauge at several points in the axial directions as a measurement when turning the screw shaft by one revolution.

Planetary Gear Reducer

Category | Planetary Gear Reducer

Rack and Pinion

Category | Rack and Pinion

Support Bearing

Category | Support Bearing

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