The Rush Machinery Model 252S is the most versatile semi-automatic drill and tool grinder available today. The 252S can grind odd numbered fluted tools (1, 3, 5, & 7) as well as even numbered fluted tools (2, 4, 6, 8, & 10).
The innovative design of the 252S allows for the grinding of almost any drill geometry, and most are completed in a single chucking. The versatility also extends to taps, reamers, countersinks and endmills. Many of these tools can be ground with very little change in setup. The power-driven workhead of the semi-automatic version offers a quiet, smooth rotation of the workhead. Manual effort is reduced for heavier grinding and spin grinding operations. Sparkout is allowed to occur by using a minimum of manual infeed along with a reduction in workhead rotation. The speed is controlled by a conveniently located valve; the adjacent four-way valve allows grinding in either direction. A hand knob on the workhead is used for indexing and setup.
Specifications - Model 252S
Capacity: 3/32" to 2" (2.5 to 51mm) diameter straight or taper shank
Drill Point Angles: 40 to 180+ degrees
Motor: TEFC 1/2 Hp, 115/230V, 60 hz, single-phase (standard on manual and semi-automatic versions). TEFC 1 Hp, 208-230/460V, 60 Hz, three-phase (standard on auto-infeed version; optional on manual and semi-automatic versions). 50 hz & other voltages are available.
Dimensions: 44" (118 cm) wide x 42" (107 cm) deep x 53" (135 cm) high.
SAMPLE TOOL GRINDING: Send us some sample tools for grinding. Let us know your application and needs. We'll grind your tools for you to test.
FREE VIDEO:
See all the Rush drill and tool grinder models on our 13 minute video. Contact us for a free copy.
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