Quality

At Myron Liner LLP, quality is not just a commitment; it is the cornerstone of our operations. As a global leader in the manufacturing of cylinder liners, engine cylinder sleeves, and other automobile engine components, we strive to meet and exceed the highest industry standards at every step of our production process.

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Our Quality Philosophy

We believe that delivering exceptional quality is the key to customer satisfaction and long-term success. Our comprehensive quality management system ensures that every product leaving our facility is flawless, reliable, and built to perform under the toughest conditions

Advanced Quality Assurance Practices

At Myron Liner LLP, quality assurance begins with raw material procurement and extends to the final inspection of finished goods. Our quality control measures are supported by cutting-edge technology and skilled professionals who leave no room for compromise.

Raw Material Inspection

• All raw materials are meticulously inspected for their chemical and physical properties.
• Spectrometers and metallurgical microscopes are used to ensure precise composition andstructure.
• Materials are sourced from trusted suppliers to guarantee durability and performance.

In-Process Quality Checks

• Stringent quality checks are conducted at every stage of the production process.
• Advanced equipment such as profile projectors, contracers, and surface roughness testers ensure precision and adherence to specifications.
• We monitor critical parameters such as hardness, roundness, and dimensional accuracy to maintain consistent quality across batches.

Final Inspection

• Finished products undergo comprehensive testing to validate their performance and durability.
• Roundness testers, height gauges, and digital measuring devices ensure flawless finishing.
• Products are inspected for compliance with customer-specific requirements and international standards.

Geometrical – Parameters

• Ο Ovality / Roundness (Circularity) - Within 1 thou (0.025 mm)
• ⊥ Perpendicularity - Within 1 thou (0.025 mm)
• Tapper - Within 1thou (0.025 mm)
• ∠ Angularity - Within 1 thou (0.025 mm)
• Cylindricity - Within 1 thou (0.025 mm)
• Concentricity - Within 1 thou (0.025 mm)

Testing Capabilities

Our state-of-the-art quality lab is equipped with advanced testing facilities that allow us to deliver products of unmatched quality.

Quality Control

Contracer
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We employ the latest Mitutoyo contracer to inspect grooves, radii, and angles on liner surfaces with unparalleled precision.

Digital Height Gauge
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our high-performance 2D height gauge allows us to achieve exact measurements, ensuring consistency across all Cylinder liners , Cylinder blocks of engines , Cylinder liner sleeves , Engine cylinder sleeves , Both dry and wet cylinder sleeves.

Surface Roughness Tester
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Measures surface finish to ensure optimal engine performance to ensure smooth finishes, vital for superior engine performance.

Roundness Tester
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Validates critical geometrical parameters for flawless functionality for evaluating geometric accuracy.

Our Quality Process

Raw Material Inspection

Step

Using spectrometer for raw material inspection

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Die Selection

Step

Inside Measuring Instruments · Mitutoyo digital Vernier Calipers and digital scale

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Die preparation

Step

Visual coating inspection and DIE RPM checked by Digital Laser Tachometer

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Melting stage

Step

Temperature checked by pyrometer

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Molten Metal Weight

Step

Using Digital Weight Scales Balancing Machine

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Pouring stage

Step

By skilled operator only

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CASTING Inspection Dimensional

Step

ID, OD, CD, CT & Length checked by digital Vernier Caliper, Inside caliper

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CASTING Testing

Step

Hardness Tester, Microscope, spectrometer Physical Properties,Micro Structure & Chemical composition Hardness, Graphite Flake, Matrix

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SPM - Length cutting

Step

Length cheked by Mitutoyo digital Vernier Calipers

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VTL ID - Semi Finish

Step

Checked by Mitutoyo Bore Gauge

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VTL OD - Semi Finish

Step

OD, CD, CT checked by Outside Mitutoyo digital Micrometer & Mitutoyo digital Vernier Calipers

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LATHE FINAL BORE

Step

Checked by Mitutoyo Bore Gauge

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LATHE MACHINE = final Length Cutting

Step

Length checked by Mitutoyo digital Vernier

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SEMI CNC

Step

outer dia. & length Checked by Mitutoyo digital micrometer and vernier

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CNC - Final operation

Step

OD, CD, CT, ID TOP CHM ANG, ID TOP CHM LEN, ID BOT CHM ANG, ID BOT CHM LEN, OD BOT CHM ANG, OD BOT CHM LEN, CHM LEN AT COLLAR, CHM ANG AT COLLAR, GRV WIDTH, GRV DEPTH, GRV RADIUS, GRV DIA, TOTAL LENGTH CHECKED BY Dial Vernier, digital Micrometer, Dial Indicator, Hight gauge , Mitutoyo Contracer

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Centreless grinding - Finish OD

Step

OD & ID Roundness, Perpendiculatity , OD collar face , OD Cylindricity, ID‐ OD Concentricity chekced by Roundness , Surface Roughness tester Ra Value OD checked by Mitutoyo Comparator Stand

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Plateau honing & CROSS HATCH

Step

bore checked by bore guage surface finish checked by surface roughness tester cross hatch checked by measuring crosshatch angle machine

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Final Inspection - Visual

Step

SHARP EDGES, BURR POROSITY, BLOW HOLES, CRACKS, SCRATCHES, DENT MARKS, RUST/MOISTURE, TOOL MARK, VIBRATION chekced by manually through skilled operator

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Final Inspection - Dimensional

Step

ID, OD, CD, CT, TOTAL LENGTH, CHECKED BY = Vernier caliper, Micrometer, Dial Indicator, Hight gauge

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Oiling, Wrapping & Dispatch

Step

USING Oil Grade RP631 as a Antirust oil with Vapor Corrosion Inhibitor paper

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