CPK工序能力分析数据表
CPK模板
CPK模板品名尺寸编号规格上值 1.5规格标准 1.200规格下值0.9公差0.6样本总数211.348 1.248 1.29 1.296 1.464 1.825 1.473 1.3 1.131 1.3931.274 1.228 1.199 1.08 1.422 1.212 1.214 1.41 1.225 1.3221.275正态线0 1.5E-20002.60000最大值1.825分布中心1.453平均数1.316最小值1.080极差0.745偏离度0.3855556样本方差0.1553944UCL 1.782SL 1.316LSL 0.849-0.8-0.30.20.7 1.2 1.7 2.2 2.7 3.23Cpk 0.3954095Cp 0.6435236总不良率12.150%PPM 121503直通率87.850%000032021212121评价建议6组组距7组组距8组组距9组组距10组组距实际分组实际组距0.1240.1060.0930.0830.0750.5000组中值-0.800-0.3000.2000.700 1.200 1.700 2.200 2.700 3.200频数0003171000直方图作相应对照分析;EPT信息框1。
本项统计只适用于单次抽样后的CPK 计算与分析；2。
正态曲线图是以"标准规格"与"样本标准方差"为基础,主要用于与输入框统计值参考值图形值Cpk＜0.67工序能力太低1.修定标准; 2.加强培训,增强质量意识; 3.定期维护保养设备; 根据各组组距，决定组距之值（末位数建议为0或5）；数据表中红底色数值为超出规格标准CPK 统计分析14500N 断开压力024681012141618-0.800 -0.300 0.200 0.700 1.200 1.700 2.200 2.700 3.200 频数正态线#REF!taiyn811得力制作当分布范围取为μ±3σ时,产品质量合格的概率可达99.7%工序能力是处于稳定生产状态下的实际加工能力X=规格值，C P=(Tu-Tl)/(6S) CPK=（1-Ca）Cp单侧公差情况下,C PK=C P。
CPK的分级判断和处置参考表
工序能力指数的分级判断和处置参考表
说明：1、工序能力指数一般取值范围是1～1.33，太大则不经济，太小不能保证质量。
2、该表中的分级、判断和处置对于Cp也同样适用。
3、当分布中心与公差中心重合时，工序能力指数记为Cp。
当分布中心与公差中心有偏离时，工序能力指数记为Cpk 。
4、CPK=1.00为 3σ CPK=1.33为 4σ CPK=1.67为5σ CPK=2.0为6σ
5、制程控制作得不好,控制图形同虚设,要使控制图发挥效用,应先使产品制程能力之Cpk值大于1以上.
6、只有当中心偏移量趋近于0，而CP值仍然小于1时，才能考虑提高Cpk，减少过程加工的分散程度或放宽公差。
前提是必须不影响质量，不影响用户实用效果。
CPK与Ppk计算表(双边_望目值)
U L= X + AR= 1.4223 C 2
C = X = 1.22912 L
L L= X − AR= 1.03594 C 2
LCL不予考虑
' ZULSL
( ) σɵ = ɵ = (USL − X ) σ = ɵ = ( X − LSL) σ =
S
(
) σɵ =
13.69327 8.539676 13.7517 8.576111 0.76 0.56
群體Cp= 3.705492 群體Cpk= 2.846559 樣本Cp= 3.721301 樣本Ppk= 2.858704
第 1 页
XR均值和极差图控制图~1
XR均值和极差图控制图数据表及图 中山市正洲汽门有限公司
1.600 1.200 0.800 0.400 0.000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
量 X2
1.24 1.38 1.34 1.33 1.15 1.13 0.90 1.19 1.16 1.17 0.99 1.20 0.99 0.95 1.18 1.24 1.34 1.07 1.43 1.23 1.15 1.13 0.90 1.19 1.16
1 d
2
数 X3
1.33 1.09 1.29 1.39 1.29 1.36 1.18 1.34 1.12 0.92 1.26 1.30 1.05 1.34 1.20 1.44 1.08 1.50 0.93 1.28 1.29 1.36 1.18 1.34 1.12
X图
UCL
C L
LC L
0.800 0.700 0.600 0.500 0.400 0.300 0.200 0.100 0.000 1 2 3 4 5 6 7 8
工序能力指数Cpk计算表
工序能力指数Cpk计算表1234567891011121314151617181964109154199计算表1#2#Cp 1.09918634CpCpU0.719800509CpUCpL-0.719800509CpLCpk0.719800509CPKT 6.6Tε 1.139ε标准正态累积分0.999512354标准正态累积分CP的P值0.0975292%CP的P值标准正态累积分0.984590485标准正态累积分CPU的P值 1.5409515%CPU的P值标准正态累积分0.015409515标准正态累积分CPL的P值98.4590485%CPL的P值CPK的P值 1.5414103%CPK的P值判断上公差是否FALSE判断上公差是否为空判断下公差是否FALSE判断下公差是否为空结果0.719800509结果P显示结果 1.5414103%P显示结果Cpk Cpk＞1.67过程能力非常充分，为＞1.67过程能＞1.33过程能力充分，当不是＞1.33过程能＞1过程能力尚可，必须用控＞1过程能力＞0.67过程能力不充分，分析＞0.67过程能过程能力不足，一般应停止继过程能力不足1.67≥ 1.67≥1.33≥ 1.33≥1≥1≥0.67＞0.67＞1≥Cpk＞0.67过程能力不充分0.67＞Cp过程频次3#4#0.666666667Cp0Cp0.0721687840.666666667CpU-0.96225045CpU 2.838638824-0.666666667CpL0.962250449CpL-2.694301260.666666667CPK-0.96225045CPK-2.694301260.2T0T0.050ε 1.666666667ε0.9583333330.977249868标准正态累积分0.5标准正态累积分0.5857034624.5500264%CP的P值###########CP的P值82.8593075%0.977249868标准正态累积分0.001946209标准正态累积分12.2750132%CPU的P值99.8053791%CPU的P值0.0000000%0.022750132标准正态累积分0.998053791标准正态累积分3.16213E-1697.7249868%CPL的P值0.1946209%CPL的P值###########4.5500264%CPK的P值###########CPK的P值###########FALSE判断上公差是否为空TRUE判断上公差是否为空FALSEFALSE判断下公差是否为空FALSE判断下公差是否为空TRUE0.666666667结果0.962250449结果 2.8386388244.5500264%P显示结果0.1946209%P显示结果0.0000000%CpL CpU＞1.67过程能力非常充分，为提高产品质量，对过程能力非常充分，为＞1.67过程能力非常充分，＞1.33过程能力充分，当不是关键或主要项目时＞1.33过程能力充分，当不过程能力充分，当不是＞1过程能力尚可，必须用＞1过程能力尚可，必须用控制图或其它方法对程能力尚可，必须用控＞0.67过程能力不充分，分析分散程度大的原因＞0.67过程能力不充分，分过程能力不充分，分析过程能力不足，一般应停止继续加工，找出原因力不足，一般应停止继过程能力不足，一般应停止1.67≥ 1.67≥1.33≥ 1.33≥1≥1≥0.67＞0.67＞CpU＞1.67过程能力非常充分，为提高产品质量Cp过程能力不足，一般1≥CpL＞0.67过程能力不充高产品质量，对关键或主要项目可缩小公差范围；或为提高效率、降低成本而放宽波动幅度，降低设备精度等级；或键或主要项目时，放宽流动幅度；降低对原材料的要求；简化质量检验，采用抽样检验或减少检验频次或其它方法对过程进行控制和监督，以便及时发现异常波动；对产品按正常规定进行检验散程度大的原因，制订措施加以改进，在不影响产品质量的情况下，放宽公差范围，加强质量检验，进行全数检验或加工，找出原因，改进工艺，提高Cp值，否则全检，挑出不合格品提高产品质量，对关键或主要项目可缩小公差范围；或为提高效率、降低成本而放宽波动幅度，降低设备精度等级降低设备精度等级；或将精度要求特别高的零件调至该工序进行加工等检验，进行全数检验或增加检验频次度，降低设备精度等级；或将精度要求特别高的零件调至该工序进行加工等。
工程能力指数(cpk)计算(EXCEL版本带公式图表直接用)
±0.01mm
#DIV/0! #DIV/0! #DIV/0! #NUM!
【对应事项】 】
测定概要
※ 不
No 測定値 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
No 測定値 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
1.33
区间
范围
1 #DIV/0! ＜ X ≦ #DIV/0!
2 #DIV/0! ＜ X ≦ #DIV/0!
3 #DIV/0! ＜ X ≦ #DIV/0!
4 #DIV/0! ＜ X ≦ #DIV/0!
5 #DIV/0! ＜ X ≦ 0.0
6 #DIV/0! ＜ X ≦ #DIV/0!
7 #DIV/0! ＜ X ≦ #DIV/0!
8 #DIV/0! ＜ X ≦ #DIV/0!
9 #DIV/0! ＜ X ≦ #DIV/0!
10 #DIV/0! ＜ X ≦ #DIV/0!
11 #DIV/0! ＜ X ≦ #DIV/0!
12 #DIV/0! ＜ X ≦ #DIV/0!
13 #DIV/0! ＜ X ≦ #DIV/0!
14 #DIV/0! ＜ X ≦ #DIV/0!
工序过程能力指数Cpk的推移 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0
2012年
2013年
尺寸 A (mm)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
表面硬度过程能力分析表spc-100及CPK
浙江博鑫机械科技有限公司
前止动环硬度 2 62.00 63.00 62.50 63.00 62.00 62.500 62.036 62.899 62.468 0.744 1.570 1.000 3 63.00 62.50 63.00 62.50 63.00 62.800 62.036 62.899 62.468 0.744 1.570 0.500 4 62.00 62.50 62.00 62.00 62.00 62.100 62.036 62.899 62.468 0.744 1.570 0.500 5 63.00 62.50 62.50 62.50 63.00 62.700 62.036 62.899 62.468 0.744 1.570 0.500 UCL = UCL = 6 62.00 62.50 62.00 62.00 62.00 62.100 62.036 62.899 62.468 0.744 1.570 0.500 X + A2R D4R = 7
抽样数： 125PCS
ACTION ONSPECIAL CAUSES . ANY PIONT OUTSIDE OF THE CONTROL LIMITS . A RUN OF 7 POINTS ALL ABOVE OR ALL BELOW THE CENTRAL LINE . A RUN OF 7 POINTS UP OR DOWN . ANY OTHER OBVIOUSLY NON-
产品编号： WC-01-03 SL= 60.000
13 62.50 62.50 62.00 62.50 62.00 62.300 62.036 62.899 62.468 0.744 1.570 0.500 14 62.50 62.50 62.00 62.00 62.00 62.200 62.036 62.899 62.468 0.744 1.570 0.500 15 63.00 62.50 62.50 63.00 63.00 62.800 62.036 62.899 62.468 0.744 1.570 0.500 16 62.70 62.60 62.50 62.30 62.00 62.420 62.036 62.899 62.468 0.744 1.570 0.700 17 63.50 62.50 62.50 62.60 62.70 62.760 62.036 62.899 62.468 0.744 1.570 1.000 18 63.00 62.70 62.60 62.50 62.40 62.640 62.036 62.899 62.468 0.744 1.570 0.600 19 62.30 62.50 63.00 62.70 62.40 62.580 62.036 62.899 62.468 0.744 1.570 0.700 20 62.40 62.20 62.50 62.60 62.70 62.480 62.036 62.899 62.468 0.744 1.570 0.500 21 63.00 62.70 62.50 62.40 62.60 62.640 62.036 62.899 62.468 0.744 1.570 0.600 22 62.40 62.70 62.50 63.00 62.30 62.580 62.036 62.899 62.468 0.744 1.570 0.700 23 61.90 62.00 62.30 62.40 62.00 62.120 62.036 62.899 62.468 0.744 1.570 0.500
全尺寸CPK自动计算表(30数值)
不不不不78.47778.519707 08 09 10 11k> 1.33 1.00 cp k<0.17429110.9090.2108.9140.2104.4130.2103.3520.178.44270.2 0.0058096110.91480.4108.9190.4104.4190.4103.3630.278.44780.4 #########110.92060.6108.9250.6104.4250.6103.3740.378.4530.72.9%110.92641108.931104.4311103.3850.578.4581 1.1110.9322 1.5108.936 1.6104.437 1.5103.3960.878.4632 1.7 #########110.938 2.3108.941 2.4104.443 2.2103.407 1.278.4684 2.6 0.0054818110.9438 3.2108.946 3.4104.448 3.2103.418 1.778.4735 3.7 108.9931110.9497 4.5108.952 4.7104.454 4.4103.429 2.478.478652.7%110.9555 5.9108.957 6.3104.46 5.8103.44 3.178.4838 6.7110.96137.5108.9637.9104.4667.4103.45478.48898.5 #########110.96719.2108.9689.7104.4729103.461 4.978.494110 0.0058876110.972911108.97411104.47811103.472 5.778.499212 104.4985110.978712108.97913104.48412103.483 6.478.5043142.9%110.984513108.98514104.4913103.494778.509515110.990314108.9914104.49613103.5057.378.514615 #########110.996114108.99614104.50113103.5167.378.519715 0.010934111.001913109.00114104.50713103.527778.524915 103.5106111.007812109.00713104.51312103.538 6.478.53145.5%111.013611109.01211104.51911103.549 5.778.535112111.01949.2109.0189.7104.5259103.56 4.978.540310 #########111.02527.5109.0237.9104.5317.4103.571478.54548.5 0.0051365111.031 5.9109.029 6.3104.537 5.8103.582 3.178.5506 6.778.5172111.0368 4.5109.034 4.7104.543 4.4103.593 2.478.555752.6%111.04263.2109.04 3.4104.549 3.2103.604 1.778.5608 3.7111.0484 2.3109.045 2.4104.554 2.2103.615 1.278.566 2.6111.0542 1.5109.051 1.6104.56 1.5103.6250.878.5711 1.7 111.061109.0561104.5661103.6360.578.5762 1.1 111.06580.6109.0620.6104.5720.6103.6470.378.58140.7111.07170.4109.0670.4104.5780.4103.6580.278.58650.4111.07750.2109.0730.2104.5840.2103.6690.178.59160.2R10.3窜困埃拜0.002727273110.85110.852*******.8554545 y蔼 4.38585E-057.00282E-050.000110832 y蔼213.7234313300 y蔼3000R20.3窜困埃拜0.002727273108.85108.852*******.8554545 y蔼 1.03683E-05 1.7518E-05 2.93062E-05 y蔼214.5391570600 y蔼3000R30.3窜困埃拜0.002727273104.35104.3527273104.3554545 y蔼 2.41721E-05 3.87676E-05 6.16448E-05 y蔼213.5394790600 y蔼3000R40.6窜困埃拜0.005454545103.2103.2054545103.2109091 y蔼 4.01444E-077.11216E-07 1.24754E-06 y蔼27.29722674900 y蔼3000R50.3窜困埃拜0.00272727378.3578.3527272778.35545455 y蔼 5.08924E-09 1.02094E-08 2.02513E-08 y蔼215.5288725300 y蔼300000#REF!00#REF!#REF!#REF!#REF!#REF!#REF!#REF!00#REF!00#REF!00#REF!00#REF!00#REF!00#REF!00#REF!00#REF!00#REF!#REF!#REF!#REF!#REF!#REF!#REF!00#REF!00#REF!00#REF!00#REF!00#REF!00#REF!00#REF!00#REF!00#REF!00#REF!00#REF!00#REF!#REF!#REF!#REF!#REF!#REF!#REF!00#REF!00#REF!0#REF!#REF!0#REF!#REF!0#REF!#REF!0#REF!#REF!0#REF!#REF!0#REF!#REF!0#REF!#REF!0#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!0#REF!#REF!0#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!眠沥阂樊荐00眠沥阂樊啦 5.297016095-5.03078825110.8581818110.8609091110.8636364110.8663636110.8690909110.8718182 0.000173870.0002703710.000416740.000636710.0009642510.001447473000000000000108.8581818108.8609091108.8636364108.8663636108.8690909108.8718182 4.8544E-057.9618E-050.0001292970.0002079040.0003310080.000521813000000000000104.3581818104.3609091104.3636364104.3663636104.3690909104.3718182 9.71844E-050.0001519040.0002354040.0003616860.0005509620.000832117000000000000103.2163636103.2218182103.2272727103.2327273103.2381818103.2436364 2.16663E-06 3.72555E-06 6.34269E-06 1.06914E-05 1.78431E-05 2.94838E-0500000000000078.3581818278.3609090978.3636363678.3663636478.3690909178.37181818 3.97198E-087.70306E-08 1.47714E-07 2.80081E-07 5.25107E-079.73451E-07000000000000#REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!00#REF!#REF!0#REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!00#REF!#REF!0 #REF!00#REF!#REF!0 #REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!#REF!00005.624696201-5.320658568110.8745455110.8772727110.88110.8827273110.8854545110.8881818 0.0021537850.0031766240.0046440930.0067298840.0096668710.013763721000000000000108.8745455108.8772727108.88108.8827273108.8854545108.88818180.00081450.0012588310.0019263880.0029189060.0043792190.00650539000000000000104.3745455104.3772727104.38104.3827273104.3854545104.3881818 0.0012460030.0018498080.0027227420.0039733680.0057488840.008246712000000000000103.2490909103.2545455103.26103.2654545103.2709091103.2763636 4.82363E-057.81342E-050.000125310.0001989780.0003128260.00048694200000000000078.3745454578.3772727378.3878.3827272778.3854545578.38818182 1.78436E-06 3.23411E-06 5.796E-06 1.02708E-05 1.79963E-05 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3.101116626 3.620383104000000000000103.38103.3854545103.3909091103.3963636103.4018182103.4072727 0.3291366450.4198422230.5302403470.6630346280.820873872 1.0062211400000000000078.4478.4427272778.4454545578.4481818278.4509090978.45363636 0.1253987450.1733904120.2370606560.3204766590.4283865660.566210343000000000000110.9563636110.9590909110.9618182110.9645455110.9672727110.97 5.379739332 6.090785698 6.8352912797.603479068.3837689889.163003923000000000000108.9563636108.9590909108.9618182108.9645455108.9672727108.97 5.160854684 5.926534631 6.7387620227.5868152788.457441419.335091582000000000000104.4563636104.4590909104.4618182104.4645455104.4672727104.47 4.190476653 4.808889384 5.47140188 6.171985674 6.9027742337.654113453000000000000103.4127273103.4181818103.4236364103.4290909103.4345455103.44 1.221201206 1.467431354 1.74584284 2.056502683 2.398447394 2.76954162400000000000078.4563636478.4590909178.4618181878.4645454578.4672727378.47 0.7399839020.956245187 1.221852468 1.543728049 1.928525286 2.382222912000000000000110.9727273110.9754545110.9781818110.9809091110.9836364110.9863636 9.92677236210.6598200711.3465362811.9714941912.5200202912.97876375000000000000108.9727273108.9754545108.9781818108.9809091108.9836364108.9863636 10.2023041211.0402280711.8292693912.5498315513.183112813.71191578000000000000104.4727273104.4754545104.4781818104.4809091104.4836364104.4863636 8.4146990329.1718035749.9115909210.6195095311.2807510511.88075492000000000000103.4454545103.4509091103.4563636103.4618182103.4672727103.4727273 3.166375222 3.584211612 4.01699868 4.457450387 4.897203255 5.32704693600000000000078.4727272778.4754545578.4781818278.4809090978.4836363678.48636364 2.909658194 3.5140187 4.196320782 4.954910434 5.785027856 6.678479817000000000000。
CPk标准表格
X
18.97
19.15 18.83 19.04 18.87 18.64 19.02 19.04 18.86 19.02 18.92 18.67 19.26 18.88 18.77
R
1.38
1.3
0.64
1.32
0.64
1.36
1.44
1.48
1.22
1.46
0.94
1.3
0.28
1.86
0.92
记录人员、机器、材料、环境、或测量系统的任何变化该信息应记录在内，当控制图出现信号时，这些记录有助于采取纠正措施
0.00
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
刘龙世
n
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15
1
18.56
19.20 18.56 18.60 18.68 19.22 19.24 19.34 18.88 19.46 18.62 18.56 19.36 18.86 18.88
28
19.06 19.90 17.74 19.42 19.26 19.08 2.16
29
19.10 19.50 18.92 18.56 19.20 19.06 0.94
30
19.56 18.80 18.22 18.42 18.00 18.6 1.56