The Art of Metal Stitching Our Service & Productoverseaservices.co.th/th/images/stories/service_product/... · 2011-12-02 · Comparison LNS with Conventional Brand1. Comparison LNS

LOCK-N-STITCH (Thailand) Co.,Ltd.

The Art of Metal Stitching The Art of Metal Stitching

www.locknstitch.co.thwww.locknstitch.co.thwww.locknstitch.co.thwww.locknstitch.co.th

Our Service & ProductOur Service & Product




Our Service & ProductOur Service & ProductLock-N-Stitch (Thailand) Co.,Ltd. Is the Expert of Crack repair on Cast iron or crack repair

on metal with out welding , we call this method “Metal Stitching” our crack repair service by Lock-N-Stitch USA product Such as CASTMASTERTM Stitching Pin

Some time we call “Cold Repair” because our repair Method have no heat treatment (No Pre-heat & Post-heat) and also with out welding ,as we known well some case of welding on cast iron or cast alloy metal may cause more problem for the part , see more detail in our reference MENU

Before After




Spiralhook Threads( International Patent)

Spotface

Thread

ααααββββ

Our Product to repair the crack

CASTMASTERCASTMASTERCASTMASTERCASTMASTERTM TM TM TM Stitching PinsStitching PinsStitching PinsStitching Pins





“ CASTMASTER CASTMASTER CASTMASTER CASTMASTER TM TM TM TM ” Stitching PinsStitching PinsStitching PinsStitching Pins : D: D: D: Directionsirectionsirectionsirections and distributions of force and distributions of force and distributions of force and distributions of force ““ CASTMASTER CASTMASTER CASTMASTER CASTMASTER CASTMASTER CASTMASTER CASTMASTER CASTMASTER TM TM TM TM TM TM TM TM ”” Stitching PinsStitching PinsStitching PinsStitching PinsStitching PinsStitching PinsStitching PinsStitching Pins : D: D: D: D: D: D: D: Directionsirectionsirectionsirectionsirectionsirectionsirectionsirections and distributions of force and distributions of force and distributions of force and distributions of force and distributions of force and distributions of force and distributions of force and distributions of force

CastmasterCastmasterCastmasterCastmasterTMTMTMTM PinPinPinPin

� Unlike conventional bolt, Unlike conventional bolt, Unlike conventional bolt, Unlike conventional bolt, deeper the pins are installed deeper the pins are installed deeper the pins are installed deeper the pins are installed greater the pulling force.greater the pulling force.greater the pulling force.greater the pulling force.

� The distribution of pulling The distribution of pulling The distribution of pulling The distribution of pulling force is even through the force is even through the force is even through the force is even through the entire length of inserted pinsentire length of inserted pinsentire length of inserted pinsentire length of inserted pins

Conventional BoltConventional BoltConventional BoltConventional Bolt

Shear ForceShear ForceShear ForceShear Force Pulling ForcePulling ForcePulling ForcePulling Force





ApplicationApplicationApplicationApplication

ForceForceForceForce

TypeTypeTypeType �CASTMASTER™ Pin•Conventional Bolts, Threaded rod, Pipe plug

PinPinPinPin

LockLockLockLock----NNNN----StitchStitchStitchStitchConventional brandConventional brandConventional brandConventional brand

�Drawing Force�Spreading Force

�Can be installed at the edge and places where high pressure seal should be required

•Cannot be installed at the edge and places where high pressure seal should be required

Comparison LockComparison LockComparison LockComparison Lock----NNNN----Stitch with conventional brandStitch with conventional brandStitch with conventional brandStitch with conventional brandComparison LockComparison LockComparison LockComparison LockComparison LockComparison LockComparison LockComparison Lock--------NNNNNNNN--------Stitch with conventional brandStitch with conventional brandStitch with conventional brandStitch with conventional brandStitch with conventional brandStitch with conventional brandStitch with conventional brandStitch with conventional brand





“ CASTMASTER CASTMASTER CASTMASTER CASTMASTER TM TM TM TM ” Stitching PinsStitching PinsStitching PinsStitching Pins““ CASTMASTER CASTMASTER CASTMASTER CASTMASTER CASTMASTER CASTMASTER CASTMASTER CASTMASTER TM TM TM TM TM TM TM TM ”” Stitching PinsStitching PinsStitching PinsStitching PinsStitching PinsStitching PinsStitching PinsStitching Pins

Because of the pulling force, Because of the pulling force, Because of the pulling force, Because of the pulling force, it can be installed at the corners it can be installed at the corners it can be installed at the corners it can be installed at the corners and thin castings.and thin castings.and thin castings.and thin castings.





5555

Grinding6666

Overlapping

1 23


How to do Metal Stitching BY CASTMASTERHow to do Metal Stitching BY CASTMASTERTMTM Stitching PinsStitching Pins




7777

Overlapping along the crack

Overlapping-1 Overlapping-2 Overlapping-3

How to do Metal Stitching BY CASTMASTERHow to do Metal Stitching BY CASTMASTERTMTM Stitching PinsStitching Pins




ⅢⅢⅢⅢ----1. 1. 1. 1. “ CCCC” Stitching Pins : ApplicationsStitching Pins : ApplicationsStitching Pins : ApplicationsStitching Pins : ApplicationsⅢⅢⅢⅢⅢⅢⅢⅢ--------1. 1. 1. 1. 1. 1. 1. 1. ““ CCCCCCCC”” Stitching Pins : ApplicationsStitching Pins : ApplicationsStitching Pins : ApplicationsStitching Pins : ApplicationsStitching Pins : ApplicationsStitching Pins : ApplicationsStitching Pins : ApplicationsStitching Pins : Applications

Perfect Seal and Strength Reinforcement Perfect Seal and Strength Reinforcement Perfect Seal and Strength Reinforcement Perfect Seal and Strength Reinforcement ---- Part : Compressor CasingPart : Compressor CasingPart : Compressor CasingPart : Compressor Casing

ⅢⅢⅢⅢⅢⅢⅢⅢ. Pin & Lock. Pin & Lock





Perfect Seal and Strength ReinforcementPerfect Seal and Strength ReinforcementPerfect Seal and Strength ReinforcementPerfect Seal and Strength Reinforcement---- Part : BFP(Boiler Part : BFP(Boiler Part : BFP(Boiler Part : BFP(Boiler FeedwaterFeedwaterFeedwaterFeedwater Pump) Pump) Pump) Pump) CasingCasingCasingCasing






Perfect Seal and Strength Reinforcement Perfect Seal and Strength Reinforcement Perfect Seal and Strength Reinforcement Perfect Seal and Strength Reinforcement ---- Part : BFP(Boiler Part : BFP(Boiler Part : BFP(Boiler Part : BFP(Boiler FeedwaterFeedwaterFeedwaterFeedwater Pump) CasingPump) CasingPump) CasingPump) Casing





High strength

ⅢⅢⅢⅢ----2. Locks2. Locks2. Locks2. LocksⅢⅢⅢⅢⅢⅢⅢⅢ--------2. Locks2. Locks2. Locks2. Locks2. Locks2. Locks2. Locks2. Locks

CharacteristicsCharacteristicsCharacteristicsCharacteristics

- Designed to have the maximum holding power by utilizing the difference of diameter between main lobes and minor lobes (Strong GripStrong GripStrong GripStrong Grip)

- Designed to have the largest contact surface with parent metal (high frictional forcehigh frictional forcehigh frictional forcehigh frictional force)





The middle lobe of lock is smaller The middle lobe of lock is smaller The middle lobe of lock is smaller The middle lobe of lock is smaller than the drilled hole pattern so the lock createsthan the drilled hole pattern so the lock createsthan the drilled hole pattern so the lock createsthan the drilled hole pattern so the lock creates

Pulling Force when installed.Pulling Force when installed.Pulling Force when installed.Pulling Force when installed.

Hole Pattern

Lock

ⅢⅢⅢⅢ----2. Locks2. Locks2. Locks2. LocksⅢⅢⅢⅢⅢⅢⅢⅢ--------2. Locks2. Locks2. Locks2. Locks2. Locks2. Locks2. Locks2. Locks


Pulling ForcePulling ForcePulling ForcePulling Force




Tensile Tensile Tensile Tensile StrengthStrengthStrengthStrength

CharacteriCharacteriCharacteriCharacteristicssticssticsstics

ShapeShapeShapeShape

LockLockLockLock

LockLockLockLock----NNNN----StitchStitchStitchStitchConventional BrandConventional BrandConventional BrandConventional Brand

�Precise lock pattern hole is drilled by special jig.

�Chiseling or guesswork are not required.

�Must be chiseled at the straight section between lobe and lobe when drilling a lock pattern hole

�Materials : AISI 4140

�Tensile strength : 200,000PSI

•Materials : Invar 36

•Tensile strength : 104,000PSI

ⅡⅡⅡⅡ----1. Comparison LNS with Conventional Brand1. Comparison LNS with Conventional Brand1. Comparison LNS with Conventional Brand1. Comparison LNS with Conventional BrandⅡⅡⅡⅡⅡⅡⅡⅡ--------1. Comparison LNS with Conventional Brand1. Comparison LNS with Conventional Brand1. Comparison LNS with Conventional Brand1. Comparison LNS with Conventional Brand1. Comparison LNS with Conventional Brand1. Comparison LNS with Conventional Brand1. Comparison LNS with Conventional Brand1. Comparison LNS with Conventional Brand





1111 2222 3333

Drilling lock pattern holeDrilling lock pattern holeDrilling lock pattern holeDrilling lock pattern hole Installing lockInstalling lockInstalling lockInstalling lock Pin + LockPin + LockPin + LockPin + Lock

ⅢⅢⅢⅢ----2. Locks : Installation2. Locks : Installation2. Locks : Installation2. Locks : InstallationⅢⅢⅢⅢⅢⅢⅢⅢ--------2. Locks : Installation2. Locks : Installation2. Locks : Installation2. Locks : Installation2. Locks : Installation2. Locks : Installation2. Locks : Installation2. Locks : Installation





Material : Cast IronExtrusion Press : 2,000 TonDate : Jan, 2002

ⅢⅢⅢⅢ----2. Locks : Application2. Locks : Application2. Locks : Application2. Locks : ApplicationⅢⅢⅢⅢⅢⅢⅢⅢ--------2. Locks : Application2. Locks : Application2. Locks : Application2. Locks : Application2. Locks : Application2. Locks : Application2. Locks : Application2. Locks : Application


To Add StrengthTo Add StrengthTo Add StrengthTo Add Strength




ⅢⅢⅢⅢ----3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock Breaking Load Test Breaking Load Test Breaking Load Test Breaking Load Test ---- ⅠⅠⅠⅠ

ⅢⅢⅢⅢⅢⅢⅢⅢ--------3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock Breaking Load Test Breaking Load Test Breaking Load Test Breaking Load Test Breaking Load Test Breaking Load Test Breaking Load Test Breaking Load Test -------- ⅠⅠⅠⅠⅠⅠⅠⅠ

1. Test performed by : Korea Testing Laboratory2. Tester : INSTRON 11273. Test method : Test was performed by pulling on the opposite ends of the

connected test segments until failure. (speed :10mm/min)

22,822Joint with MatalockSegment (E)

25,807Arc weldingSegment (D)

43,925Install Lock-N- Stitch Lock

(Width : 10mm)

Segment (C)

6,347Install Lock-N-Stitch Pin

(Width : 10mm)

Segment (B)

20,544Raw metal

(Width : 10mm)

Segment (A)

Breaking Load (N)ExplanationPhotosSegments





After

90,630Width 16mm

Segment (B)Raw metal

91,751

Install Lock-N-Stitch Pin 2ea + Lock-N-Stitch Lock 1ea

(Width16mm)

Segment (A)Pin + Lock

Breaking Load (N)

ExplanationBeforeSegments

1. Test performed by : Korea Testing Laboratory2. Segment material : FC300 (Tensile strength : 300N/mm2)3. Test method : Tensile load - 10mm/min


ⅢⅢⅢⅢ----3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock Breaking Load Breaking Load Breaking Load Breaking Load ---- ⅡⅡⅡⅡ

ⅢⅢⅢⅢⅢⅢⅢⅢ--------3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock 3. Pin & Lock Breaking Load Breaking Load Breaking Load Breaking Load Breaking Load Breaking Load Breaking Load Breaking Load -------- ⅡⅡⅡⅡⅡⅡⅡⅡ




ResultResultResultResult

- Unchanged on the gage (1 and a half day with 200kg/cmUnchanged on the gage (1 and a half day with 200kg/cmUnchanged on the gage (1 and a half day with 200kg/cmUnchanged on the gage (1 and a half day with 200kg/cm2222 ) ) ) )

Perfect SealingPerfect SealingPerfect SealingPerfect Sealing

Pressure Container Spec.Pressure Container Spec.Pressure Container Spec.Pressure Container Spec.---- H : 195mm x D : 175mmH : 195mm x D : 175mmH : 195mm x D : 175mmH : 195mm x D : 175mm---- Thickness Thickness Thickness Thickness – Pipe:22t, Cover : 24tPipe:22t, Cover : 24tPipe:22t, Cover : 24tPipe:22t, Cover : 24t

Installing Installing Installing Installing CastmasterCastmasterCastmasterCastmaster pins(C4) along the crack pins(C4) along the crack pins(C4) along the crack pins(C4) along the crack (117mm length)(117mm length)(117mm length)(117mm length)

ⅢⅢⅢⅢ----4. Pressure Test4. Pressure Test4. Pressure Test4. Pressure TestⅢⅢⅢⅢⅢⅢⅢⅢ--------4. Pressure Test4. Pressure Test4. Pressure Test4. Pressure Test4. Pressure Test4. Pressure Test4. Pressure Test4. Pressure Test


Documents

The Art of Metal Stitching Our Service & Productoverseaservices.co.th/th/images/stories/service_product/... · 2011-12-02 · Comparison LNS with Conventional Brand1. Comparison LNS