Dear Friend ,
The first time yield means the products which does not require Inspection , in other words they are made as per the requirement .
If at Finishinf you have to put even small efforts to get the product in the required category , it means it has something wrong .
Thus as per me your first time yield will be 80
As a rule it is a normal process ( Stable ) if one point goes out of Control limit .
90% of your total points shall lie in between middle third of the Control limits from the centre to get a bell shaped histogram .
if the one point goes out of control limit it is required to analyse that the process is going upward or downward or…[Read more]
CPk & DPMO are the two different criteria to evaluate your process efficiency , however a rough relationship can be developed based on the CPk value , like
if the CPk value is more then 2.00 your DPMO will be 3.4 ( means operating on 6th level of Sigma )
if the CPk value is in between 1.33 ~ 1.67 your DPMO will lie in…[Read more]
The Actual operation time is always calculated when the M/C actually gives output ( Desired Output )
The Set up time & Lunch hour is M/C ” NOT ” and can’t be considered within the total operational time .
You can increase the M/C operating time by introducing ” Renso system “( A japanese word means M/C shall not be stopped during Lunch hou…[Read more]
The purcheased product cost can be reduced by asking plural quotation for the same product thus to increase a healthy competition among the suppliers and then fix one supplier on the yearly basis on a fixed prise thus it will be nonchangeble even there are fluctuations in the market over the cost .
A best serch of market can directly reduce the…[Read more]
It would be better if there are some success stories can be added which are born based on the theroies .
Motivating the supervisors for there small improvement and reminding them there own success will help in implementing the theroies.
Please take care of ” First in First Out ”
Do the 5S Activity that will definately help you in reducing your Obsoletes as well as you will be able to handle the Huge inventories
Better you conduct your R&R studies with the actual production units rather with the standard gauges .
it will help you in arresting the actual process variation also the appraiser will come to know about there own process variation .