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Table

Work Piece Size Range mm		Internal Surface			External Surface
		Stock Allowance mm	Surface Finished pm Ra (R1)		Stock Allowance mm	Surface Finished pm Ra (R1)
		Stock Allowance mm	Machined	Roller Burnished	Stock Allowance mm	Machined	Roller Burnished
	3-12	0.010 0.017	2.0 (8) 3.1 (12)	0.2 (1) 0.2 (1)	0.010 0.015	2.0 (8) 2.5 (10)	0.2 (1) 0.2 (1)
	12-25	0.017 0.040	1.5 (6) 3.1 (12)	0.2 (1) 0.2 (1)	0.012 0.025	2.0 (8) 4.5 (18)	0.2 (1) 0.2 (1)
	25-50	0.025 0.050	1.5 (6) 3.1 (12)	0.2 (1) 0.2 (1)	0.017 0.025	2.5 (10) 4.5 (18)	0.2 (1) 0.2 (1)
	50-165	0.040 0.075	1.5 (6) 5.0 (20)	0.2 (1) 0.2 (1)	0.025 0.050	3.1 (12) 10.1 (40)	0.2 (1) 0.2 (1)
	3-12	0.010 0.017	2.0 (8) 2.5 (10)	0.4 (2) 0.4 (2)	0.008 0.012	1.5 (6) 2.3 (9)	0.4 (2) 0.4 (2)
	12-25	0.017 0.025	2.2 (9) 3.1 (12)	0.4 (2) 0.4 (2)	0.012 0.018	2.5 (10) 0.4 (14)	0.4 (2) 0.4 (2)
	25-50	0.025 0.040	3.1 (12) 4.5 (18)	0.4 (2) 0.4 (2)	0.012 0.025	0.4 (10) 0.4 (18)	0.4 (2) 0.4 (2)
	50-165	0.040 0.050	3.0 (12) 5.0 (20)	0.4 (2) 0.6 (3)	0.020 0.035	0.4 (12) 0.6 (20)	0.4 (2) 0.6 (3)

Burnishing Diameter	Internal		External
Burnishing Diameter	* Speed (rpm)	** Feed mm/rev	* Speed (rpm)	** Feed mm/rev
5	1500	0.12	1000	0.15
12	1000	0.32	700	0.3
40	600	1.3	400	1.0
65	300	1.5	250	1.8
95	250	1.8	200	2.7
165	200	3.4	-----	------

* Speed may be increased or decreased by 50% to suit special requirements.
** Feed may be increased or decreased by 30% to suit special requirements.

STD	ML	ML 1	ML 2	ML 3
0 - 50mm	0-100mm	0-150mm	0-300mm	0-400mm

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