Need end-machined rack sections for a longer travel? This article covers the SRF models in the shared SRF selection table.
Customer: Which family should I specify?
KAYO: Use the complete model designation to identify the module and rack format. Confirm the mating pinion and mounting geometry from the manufacturer drawings.
Customer: Which models and sizes are shown?
KAYO: The current Japanese selection table lists 40 model codes for this group. Module values: 0.5, 0.8, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10. Representative dimensions are shown below, followed by the complete model list.
| Model | Module | Overall length (mm) | Face width (mm) | Mass (kg) |
|---|---|---|---|---|
| SRF0.5-300 | 0.5 | 300.02 | 5 | 0.14 |
| SRF2-300 | 2 | 301.59 | 20 | 1.09 |
| SRF3-300 | 3 | 301.59 | 30 | 2.27 |
| SRF5-1000 | 5 | 1005.31 | 50 | 17.8 |
| SRF10-1000 | 10 | 1005.31 | 90 | 49.7 |
Customer: What should I check before installation?
KAYO: Check the joint pitch and support alignment when installing adjacent sections. Check tooth pitch, pressure angle, rack mounting height and pinion alignment. Confirm backlash and lubrication for the actual duty. Where sections meet, verify the joint geometry and pitch continuity.
Customer: What are the exact model numbers?
KAYO: SRF0.5-300, SRF0.8-300, SRF1-300, SRF1-500, SRF1-1000, SRF1.5-300, SRF1.5-500, SRF1.5-1000, SRF1.5-1500, SRF1.5-2000, SRF2-300, SRF2-500, SRF2-1000, SRF2-1500, SRF2-2000, SRF2.5-300, SRF2.5-500, SRF2.5-1000, SRF2.5-1500, SRF2.5-2000, SRF3-300, SRF3-500, SRF3-1000, SRF3-1500, SRF3-2000, SRF4-500, SRF4-1000, SRF4-1500, SRF4-2000, SRF5-500, SRF5-1000, SRF5-1500, SRF5-2000, SRF6-500, SRF6-1000, SRF6-1500, SRF6-2000, SRF8-500, SRF8-1000, SRF10-1000.
Customer: What should I send for an enquiry?
KAYO: Please send the complete model code, quantity, required travel, mating pinion, mounting details, speed and load. We can discuss the specification and availability for your application. Confirm final dimensions and suitability against the latest manufacturer information.
References: KHK SRF official selection page | KHK rack product range.