 |
|
|
Activities |
|
|
|
|
|
|
| Incoming
materials-inspection of castings, forging,
raw materials, hardware, bars etc. |
| Quality Assurance
and Inspection of components and sub-assemblies
supplied by approved vendors. |
| Line inspection
of components, sub-assemblies manufactured
on the shop floor. |
| Final Inspection
and Performance Test. |
| Inspection of packing
and despatch. |
| Tools and instruments
calibration and maintenance of test
standards. |
| Maintaining test
records and inspection results. |
|
| The Production
Department is totally responsible to achieve
the required standards in quality of finished
goods. For this purpose, the Quality Assurance
Department interacts and assess the fine people.
The Quality Assurance Department has full
powers to ensure that requisite step of quality
are maintained. |
|
Inspection
of In-Coming Materials |
|
|
|
|
|
|
All raw
materials and sub-assembles viz. castings,
forging, bars, plates and hardware etc. are
procured as per approved technical specification
or specified relevant standards.
Only materials as per Technical Specifications
approved by Quality Assurance Department are
accepted and stroed in raw materials stores.
For the in coming materials the inward in-charge
records the data in the in-word register.
The Quality Assurance Department is informed
through in-slip and the incoming material
is stored in the receiving inspection area,
untill clearance by Quality Assurance Department.
100% inspection or alternatively as per sampling
plan laid down in ISO 2500 (Part I) is carried
out in accordance with the Quality Assurance
Plan for each product.
The Quality Assurance Department arranges
to send the test bars and other materials
to a reputed chemical and physical laboratory
for chemical composition test. Material Test
Certificates on various part - Body, Bonnet,
Ball & Components materials are obtained
in advance with the Quality Assurance Plan.
The parts, component sub-assemblies found
to be OK are tagged with OK sticker and signature
of Quality Assurance Engineer. The rejected
parts and materials are market with REJECTED
tags and returned to the supplier / sub-contractor.
Quality Assurance Engineer verifies the size,
pressure rating, material code, manufacturers
emblem, arrow mark for flow direction, heat
number etc. on the casting before acceptance.
The accepted castings of Body & Bonnet
are hard punched with the serial number and
marked with green paint.
The accepted materials are stored in the proper
racks / bins as per identification mark. The
materials are issued against a material requisition
slip for each specific requirement.
All materials are issued along with a Job
Card for manufacturing. Job card shall contain
all the operations and methods in a sequence.
Only approved and dimensionally accepted materials
are taken up for further manufacturing process. |
|
In-
Process Inspection |
|
|
|
|
|
|
The Quality
Assurance Engineer carries out inspection
and testing at the stages defined in the Quality
Assurance Plan for the product. He fills the
parts inspection report at stages defined
in the Quality Assurance Plan.
He shall also indicate the status (OK/REJECT)
on the parts by means of a stickers which
shall be recorded in the In-process Inspection
Register. Product assembly shall be made in
accordance with manufacturing plan / drawing.
Quality Assurance Department shall carry out
the Hydro Static Pressure Test for Body /
Bonnet before assembly.
Assembly drawing of product, parts specification
list and materials requisition slip shall
be sent to assembly shop for final assembly
of the valves. |
|
Final
Inspection |
|
|
|
|
|
|
The Quality
Assurance Engineer Carries out the final inspection
and tests on the products as per the Quality
Assurance Plan for the valves. He shall fill-up
the Final Inspection Report. The final inspection
"OK" tag shall be signed by the
Quality Assurance Engineer for the accepted
valves. The final inspection report shall
be authorised by Quality Assurance Head.
For rejected valves the Quality Assurance
Engineer shall mark the product with "REJECT"
tag and shall fill-up the Final Inspection
Report.
The Quality Assurance Head releases the valves
for packing only after the stages specified
in the Quality Assurance Plan have been completed
satisfactorily and all the inspection and
test reports are available and authorised
by him. |
|
Control
of Measuring, Inspection Tools And Test
Equipments |
|
|
|
|
|
|
The Quality
Assurance Head shall prepare a master list
of instruments and gauges along with calibration
frequency.
The equipment shall be calibrated at the defined
frequency by on external agency. The calibration
shall be traceable to a standard. After calibration,
the calibration history card of the instruments
or gauges shall updated by the Quality Assurance
Head.
The inspection, measuring and test equipments
shall be provided with indicator. This indicator
shall be a tag or sticker as appropriate.
These tags/ stickers shall identify the equipment
and shall indicate the calibration status.
When the equipment is found out of calibration,
the Quality Assurance Head shall assess and
document the validity of providing inspection
and test results in the form of a note. All
the equipment shall be handled by trained
personnel to ensure accuracy and fitness for
use. All measuring and test equipment shall
be kept under lock and key where practical
in dust and grease-free environment. |
| |
