Router bit speed & depth for 3/4" by 1/4" dado in MDF


I have read different (and conflicting) information. PC 895 router with Whiteside double fluted 3/4" bit. Material is MDF and depth is 1/4". What would you recommend for router speed? What would you recommend for depth (i.e. number of passes)? Thanks.
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DSNail wrote:

here's a link with a chart: http://www.newwoodworker.com/rtrbitspds.html
Dave
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New cutter for that material & router, 1/4"/pass ok at max RPM. Want max life from that cutter? Use a plunger; take an 1/8th/pass.
http://www.patwarner.com (Routers) ************************************************************ DSNail wrote:

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