YDTech® manufacturer of mechanical driving pins for Type 45, 48, 49, 50 face clamping,turning, milling! supplier of custon mechanical S7 face drive pins on FSB/SB, FSP, workholding for drilling, grinding.
Whether you have a worn sample, a drawing, or just the driver serial number, contact us for precision mechanical drive pins that deliver reliable, tailstock‑powered clamping shift after shift.
Not every turning or grinding operation requires hydraulic or powered actuation. For the vast majority of standard applications, mechanical drive pins offer the ideal balance of simplicity, reliability, and cost-effectiveness. These pins rely purely on tailstock thrust—no external power source, no hydraulic lines, no complex setup. Install the face driver via flange (e.g., A2‑5, A2‑6) or Morse taper (MT3, MT4), advance the tailstock, and the pins engage instantly.
Type 40, 41, 42, 45, 48, 49, 50 series: Fully mechanical construction. Independent pin movement compensates for workpiece end‑face irregularities, allowing up to 5 degrees of tilt. the true quick‑change system lets you replace drive pins and the center point in under one minute without removing the driver from the machine.
FSB, FSB/SB, FSP, FDNC series: Mechanical clamping system powered by tailstock thrust. The center point can move axially—as tailstock force increases, the center retracts slightly and the drive pins embed into the workpiece end face, maintaining a constant machining datum.
FDT-6 face driver drive pins, lathe face drivers, drive pins, changeable driving pins, drive teeth pins
| drive pins (diameter) | drive pins (distance1) | drive pins (distance2) | drive pins (distance3) | drive pins (tooth width1) | drive pins (tooth width2) | drive pins (tooth width3) | FD technologies | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 8 | 11 | 17 | 1.5 | 3 | 6 | FD 2023A | ||||
| 8 | 6 | 11 | 19 | 1.5 | 4 | 8 | FD 2023DS | ||||
| 6 | 11 | 14 | 22 | 1.5 | 4 | 8 | FD 2023D | ||||
| 8 | 13 | 18 | 26 | 1.5 | 4 | 8 | FD 2023EE | ||||
| 11 | 14 | 31 | 20 | 1.5 | 3 | 6 | FD 2023DX | ||||
| 26 | 31 | 36 | 44 | 5 | 7.5 | 10 | FD 2023X | ||||
| 15 | 39 | 49 | 59 | 5 | 10 | 15 | FD 2023D | ||||
| 15 | 49 | 59 | 69 | 5 | 10 | 15 | FD 2023XF | ||||
| 20 | 69 | 89 | 99 | 5 | 10 | 15 | FD 2023FR | ||||
| 20 | 110 | 120 | 140 | 5 | 12.5 | 20 | FD 2023T | ||||
| 20 | 140 | 150 | 170 | 5 | 12.5 | 20 | FD 2023V | ||||
| 30 | 320 | 340 | 360 | 5 | 12.5 | 20 | FD 2023VG | ||||
Mechanical drive pins remain popular for several reasons. First, no external power – they work on any lathe or grinder with a standard tailstock. Second, fast changeover – true quick‑change systems allow pin replacement in under one minute, perfect for job shops and multi‑product runs. Third, wide machine compatibility – they fit virtually every lathe and grinder brand. Fourth, heavy‑duty capable – the mechanical compensation systems provide reliable clamping force even for roughing cuts.
mechanical standard series: Patented mechanical compensation system automatically balances pin forces even when the workpiece end face has runout up to 3 mm. Ideal for heavy cutting on uneven castings or forgings.
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