Drilling Mast
View system integration details
This page explains how Traveling Block is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A pulley system component in drilling rigs that moves vertically to hoist and lower the drill string.
Technical details and manufacturing context for Traveling Block
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Rated Load Capacity | 225–1000 kN | Matches drill string weightAPI 8C |
| Number of Sheaves | 4–8 | Determines mechanical advantage |
| Sheave Diameter | 900–1524 mm | Affects wire rope lifeAPI 8C |
| Wire Rope Diameter | 28–45 mm | Must match grooveAPI 9A |
| Overall Height | 2500–6000 mm | Fits derrick clearance |
| Overall Width | 800–2000 mm | Fits mast opening |
| Weight | 3000–15000 kg | Affects hoisting load |
| Operating Temperature | -40–85 °C | Below -40°C steel brittle |
| Material Grade | ZG270-500 | Cast steel for sheavesGB/T 11352 |
| Bearing Type | SKF 23044 | Spherical rollerISO 15 |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
Commonly used trade names and technical identifiers for Traveling Block.
This component is essential for the following industrial systems and equipment:
| pressure: | Atmospheric to 500 psi |
| temperature: | -40°C to 120°C |
| load capacity: | Up to 1,500 tons |
| operating humidity: | 0-95% RH non-condensing |
| vertical travel speed: | 0-2 m/s |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.
A practical evidence checklist for RFQ preparation and supplier evaluation.
CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.
The traveling block is part of the hoisting system that moves vertically to raise and lower the drill string. It works with the crown block and drawworks to provide mechanical advantage for lifting heavy loads.
Key specifications include rated load capacity, number of sheaves, sheave diameter, wire rope diameter, overall dimensions, weight, and operating temperature range. These must match the drill string weight and mast clearance.
The number of sheaves determines the mechanical advantage. More sheaves reduce the force required from the drawworks but increase the length of wire rope needed and friction losses.
Regularly inspect sheaves for wear, check bearings for noise or vibration, ensure wire rope alignment, and verify that the operating temperature is within the specified range. Replace worn components promptly.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.
Compare manufacturer profiles with relevant product and process capability.