- FMA
- The Fabricator
- FABTECH
- Canadian Metalworking
HMC processes large ferrous parts
- November 29, 2016
- Product Release
- Metalworking
Makino has introduced the a71nx horizontal machining centre designed for the production of midsized cast iron and light alloy parts.
It has a 500-mm pallet and added extensions in the X, Y, and Z axes, bringing full-axis travels to 800 mm, 750 mm, and 830 mm, respectively. The expanded axis travels increase the total machining volume 16 per cent compared to the original a71. To accommodate these larger workpieces, the maximum payload was also increased, providing capacity for parts weighing up to 1,000 kg.
The machine’s standard 60-tool-capacity automatic tool changer (ATC) has six reinforced pockets, yielding a maximum tool length of 18.9/22.4 in. (Cat/HSK) and maximum weight of 30 kg.
Additionally, the original model’s standard worm-gear-driven NC rotary table has been replaced with a direct-drive-motor B-axis table for faster indexing time. The 1-second 90-degree rotation improves production processes by reducing noncutting motion. The table also reduces B-axis complexity and eliminates backlash and key component wear for improved reliability, the company states.
Makino * 800-552-3288 * www.makino.com
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