第二章 硬质合金钻进
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Transcript of 第二章 硬质合金钻进
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60%80%167835.5mm2000mm7591110130150mm 21
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(1)(2)(3)(4)()
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22PyPxPyh0Px
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C0C0>S0S0C0
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()22G(Py)N1N2( 23)zyh0
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C0kok 25h0Pxabc 26ababc
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28"""" 29""
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WCCoYG
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HRA501150MPa
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YG 21"Y"YG-WC-Co"C""X""A"YG6x6YG8c8YGYG11c
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22 32 210
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1 310T0T4S3S5 36mm14S3S5
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2 T1T3T5 210 4-7T1T5 211 212
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T2 210
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DZ-40 213 23
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12345
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214h0h1 H=h0+h1 215
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35
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1 216ab
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cd56
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2 217 218 219
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3 220 221 222 Px ;Pz ;;;;
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222900 900900 223
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123 26
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224abcde
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60-801.52mm710mm
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123
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4526mm800900950 1100
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708020030010%0.5kg100
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225 226
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K5724535 242411.53.610-3 ms(0.751.2)10-2m/s1.6210-2ms
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K531 228356910-4m/s35m1214m 28
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5513K573K53112mm13mm50606590 229T573K53125562.56m2.53.5m11.5h510 29
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K53410mm2mm1mm2.5mm7.58.5 2306783.94.810-4m/s24m510m 310
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231 332678
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2331mm5mm20mm4mm5mm20mm4mm10mm20mm1.5mm2mm5mm5mm10mm91mm5760100%10%30
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1
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23
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CC
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12 236
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236 vPyCC0S)C0=S
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C0S
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YG83/52030minYG4C40min
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nr/minvm/s
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237 238
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2404593928
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n=60v/Dnrmin-1vm/sDmD1mD2m
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QL/minqL/sm
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241 242 243 241 242( 243)
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0.45ms815Lmin
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216
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2-1745456
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()() ()t0 244OTOAOA=TS=L/(t+T)=tanABHttanSBt0AAABHt
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68
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20%15002000N
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300r/min 218
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0.681Ls23Ls
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812345678
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219
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120.5m3435min
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5678910