01
Operation 10
Receipt of Fabricated Body
Variation
Check for stock all over
Product Characteristic
Ensure material grade, heat numbers and quantity as per Delivery Note.
Process Characteristic
Stock all over
Production Flow
Precision is a
process.
A controlled production flow taking fabricated bodies through machining, drilling, deburring, inspection, washing and final clearance.
14
Process Stages
03
Quality Gates
Production principle
Controlled movement
from stage to stage.
01 / Production Architecture
See the complete
production journey.
Each stage advances the component through a defined sequence, with process characteristics and verification points controlling the movement toward final clearance.
Surface Table & Marking Equipment
Receipt of Fabricated Body
01
CNC
Cover Side Tapper Bore Machining
02
CNC
FF1
03
CNC
FF2
04
CNC
Small End Machining
05
VMC
Flange Drilling — Side 1
06
VMC
Flange Drilling — Side 2
07
VMC
Cover Side Drill & Tap
08
VMC
Small End Dowel Hole
09
Radial Drilling
Stem Feed & Lube Feed Drill & Tap
10
Manual
Deburring
11
Inspection
Final Inspection
12
Process
Oil Washing / Oiling
13
Final Release
Final Clearance
14
01
Surface Table & Marking Equipment
Receipt of Fabricated Body
02
CNC
Cover Side Tapper Bore Machining
03
CNC
FF1
04
CNC
FF2
05
CNC
Small End Machining
06
VMC
Flange Drilling — Side 1
07
VMC
Flange Drilling — Side 2
08
VMC
Cover Side Drill & Tap
09
VMC
Small End Dowel Hole
10
Radial Drilling
Stem Feed & Lube Feed Drill & Tap
11
Manual
Deburring
12
Inspection
Final Inspection
13
Process
Oil Washing / Oiling
14
Final Release
Final Clearance
Start
Fabricated Body
Finish
Final Clearance
Equipment used across the flow
Manufacturing infrastructure
CNCVMCRadial DrillingManualInspection
02 / Process Intelligence
What happens
at each stage.
The production flow translated into the key information recorded for each operation.
14
Operations
03
Gates
Surface Table & Marking Equipment
02
Operation 20
Cover Side Tapper Bore Machining
Variation
From port orientation
Product Characteristic
Operations as per drawing specified.
Process Characteristic
Perpendicularity of cover face with respect to tapper bore.
03
Operation 30
FF1
Variation
Flange offset in casting
Product Characteristic
Concentricity of bore.
Process Characteristic
Stock in flange serration.
04
Operation 40
FF2
Variation
Variation in flange position on body
Product Characteristic
Operations as per drawing specified.
Process Characteristic
Stock in flange serration.
05
Operation 50
Small End Machining
Variation
Casting wall thickness
Product Characteristic
Operations as per drawing specified.
Process Characteristic
Controlled machining according to drawing.
06
Operation 60
Flange Drilling — Side 1
Variation
Drill hole finish
Product Characteristic
Operations as per drawing specified.
Process Characteristic
Drill holes alignment.
07
Operation 70
Flange Drilling — Side 2
Variation
Drill hole finish
Product Characteristic
Operations as per drawing specified.
Process Characteristic
Drill holes alignment.
08
Operation 80
Cover Side Drill & Tap
Variation
Drill hole finish
Product Characteristic
Operations as per drawing specified.
Process Characteristic
Drill depth & tap depth.
09
Operation 90
Small End Dowel Hole
Variation
Concentricity of bore
Product Characteristic
Operations as per drawing specified.
Process Characteristic
Geometric tolerance, position and surface finish.
10
Operation 100
Stem Feed & Lube Feed Drill & Tap
Variation
Casting pad position
Product Characteristic
Operations as per drawing specified.
Process Characteristic
Geometric tolerance, position and surface finish.
11
Operation 110
Deburring
Variation
Check for all applicable gauges
Product Characteristic
Deburring
Process Characteristic
Free from burr.
12
Operation 120
Final Inspection
Variation
Final dimensional verification
Product Characteristic
Ensure the product as per the Drawing Requirement.
Process Characteristic
Final product conformity.
13
Operation 130
Oil Washing / Oiling
Variation
Machined surfaces
Product Characteristic
Good aesthetic look.
Process Characteristic
Free from dirt and dust etc.
14
Operation 140
Final Clearance
Variation
Completed process
Product Characteristic
Ensure the process completed on the product as per the PO Requirement.
Process Characteristic
Ensure the process completed on the product as per the PO Requirement.
03 / Quality Gates
Control is built
into the flow.
Verification is not treated as a single final activity. The production sequence contains defined points where requirements are checked before the component advances.
01
01
Before machiningIncoming Check
Material and fabricated bodies are checked before machining begins, including stock, material grade, heat numbers and quantity.
Verification point
02
02
During machiningProcess Verification
Machining and drilling stages are controlled against drawing requirements, alignment, bore characteristics, position and surface requirements.
Verification point
03
03
Before dispatchFinal Release
Deburring, final inspection, washing and oiling are completed before the component proceeds to final clearance.
Verification point
Behind the Process
The process is only as
strong as the equipment.
Explore the machines supporting the machining, drilling and manufacturing stages across our production capability.