Research on Stability Prediction of the Crankshaft CNC Tangential Point Tracing Grinding

Table 1

The deformation and stiffness of crankpin.

The angle of crankpin (°)	The deformation (mm)	Stiffness of crankpin (N/mm)
0	0.0213	9389.671
5	0.0214	9375.934
10	0.0213	9389.671
15	0.0217	9216.590
20	0.0218	9174.312
25	0.0219	9132.420
30	0.0218	9174.312
35	0.0221	9049.774
40	0.0228	8771.930
45	0.0229	8733.624
50	0.0232	8620.690
55	0.0243	8230.453
60	0.0240	8333.333
65	0.0252	7936.508
70	0.0259	7722.008
75	0.0256	7812.500
80	0.0260	7692.308
85	0.0259	7722.008
90	0.0261	7662.835
95	0.0253	7905.138
100	0.0257	7782.101
105	0.0255	7843.137
110	0.0247	8097.166
115	0.0237	8438.819
120	0.0234	8547.009
125	0.0237	8438.819
130	0.0237	8438.819
135	0.0228	8771.930
140	0.0228	8771.930
145	0.0220	9090.909
150	0.0216	9259.259
155	0.0213	9389.671
160	0.0214	9375.934
165	0.0212	9433.962
170	0.0215	9302.326
175	0.0214	9375.934
180	0.0218	9174.312
185	0.0225	8888.889
190	0.0226	8849.558
195	0.0223	8968.610
200	0.0225	8888.889
205	0.0226	8849.558
210	0.0224	8928.571
215	0.0230	8695.652
220	0.0227	8810.573
225	0.0237	8438.819
230	0.0249	8032.129
235	0.0250	8000.000
240	0.0255	7843.137
245	0.0257	7782.101
250	0.0255	7843.137
255	0.0257	7782.101
260	0.0252	7936.508
265	0.0260	7692.308
270	0.0254	7874.016
275	0.0268	7462.687
280	0.0270	7407.407
285	0.0270	7407.407
290	0.0268	7462.687
295	0.0270	7407.407
300	0.0268	7462.687
305	0.0263	7604.563
310	0.0250	8000.000
315	0.0241	8298.755
320	0.0241	8298.755
325	0.0228	8771.930
330	0.0231	8658.009
335	0.0218	9174.312
340	0.0218	9174.312
345	0.0213	9389.671
350	0.0215	9302.326
355	0.0210	9523.810
360	0.0213	9389.671