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Precision manufacturing. Stronger together.Manufacturing Services & Support

From prototype to production, coordinated manufacturing solutions for your custom parts.

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Thermal Technologies

Choose air- or liquid-cooling components around your thermal and mechanical requirements.

Stepped aluminum heat sink with copper contact insert — illustrative concept
Explore Thermal Technologies

Heat Sinks

Liquid Cooling

AI & Data Center Cooling

Manufacturing support for your cold plates, manifolds and cooling assemblies.

Processor cold plates and distribution manifold — illustrative concept
Explore AI Cooling

AI Compute Cooling

Distribution & Assembly

AI Cooling Interfaces
  1. Cold PlateHeat-source interface
  2. ManifoldCoolant distribution
  3. CDU InterfaceConnection requirements
  4. Rack / LoopAssembly integration
Review component fit across your cooling system.

Industry Cooling Solutions

Find components for your power electronics, energy, laser and telecom application.

Machined power module cooling plate — illustrative concept
Explore Industry Cooling

Power Electronics

EV & Energy

Laser & Telecom

Industries

High-Tech & Electronics

Components for your electronic systems.

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Applications & Project Inquiries

Precision & Advanced Systems

Start with your functional and quality requirements.

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Applications & Project Inquiries

Industrial & Energy

Build around your operating environment.

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Applications & Project Inquiries

Materials

From prototype to production, review material performance, manufacturability and cost for your part.

Engineering Plastics

Match your polymer to function, process and environment.

→
ABS — illustrative material conceptABSReview enclosure and molding needs›Polycarbonate (PC) — illustrative material conceptPolycarbonate (PC)Discuss clarity and impact needs›Nylon (PA) — illustrative material conceptNylon (PA)Review moisture and wear conditions›POM / Acetal — illustrative material conceptPOM / AcetalReview fit and sliding features›PEEK — illustrative material conceptPEEKDiscuss operating conditions›PTFE — illustrative material conceptPTFEReview friction and chemical exposure›ULTEM / PEI — illustrative material conceptULTEM / PEIDiscuss thermal and electrical needs›

Elastomers & Specialty Materials

Confirm grade availability and application requirements.

→
Elastomers
Silicone / LSR — illustrative material conceptSilicone / LSRDiscuss flexible component needs›TPU / TPE — illustrative material conceptTPU / TPEReview flexibility and processing›EPDM — illustrative material conceptEPDMReview weathering and chemical exposure.›NBR — illustrative material conceptNBRReview oil and fuel exposure.›FKM — illustrative material conceptFKMReview temperature and chemical exposure.›
Specialty Materials
G10 / FR4 — illustrative material conceptG10 / FR4Review insulation and laminate needs›Composites — illustrative material conceptCompositesReview stiffness, weight and laminate.›Customer-Specified MaterialsConfirm your grade and requirements.›Other Specialty MaterialsDiscuss your application and grade.›
Resources

Design & Engineering

Practical guidance for your part geometry and material decisions.

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Cost & Planning

Prepare your process, budget and sourcing questions.

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Learn & Proof

Build your knowledge before production.

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About Us

About LK MFG

Learn who we are and how we operate.

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Get in Touch

Find our U.S. support team or start a conversation.

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sales@lkmfg.com (945) 409-1013

1750 Briercroft Ct, Suite 204
Carrollton, TX 75006, USA

YOUR MODULE. YOUR CONTACT. YOUR SERVICE ACCESS.

Optical / Telecom Coolingfor Your Plates, Blocks & Heat Sinks

Review your optical telecom cooling components around the actual module footprint, alignment datums, thermal contact and installed airflow or coolant. Define the manufactured parts and evidence you need before committing to a sample.

Illustrative separate finned telecom heat sink, copper contact spreader and closed optical cold plate concept; not documentary customer photography

Illustrative mechanical thermal components

4 Decisions Before Your Cooling-Part Sample

01

Module fit

Define datums and keep-outs

02

Contact stack

Review interface and service cycles

03

Heat rejection

Supply installed air or fluid inputs

04

Acceptance

Assign mechanical and system checks

Start with Your Module and Installed Interface

Bring fit, thermal contact and service access into one controlled review.

  • Provide the module drawing and datum scheme
  • Identify heat sources and temperature nodes
  • Define airflow or coolant and connection boundaries
  • Agree prototype records and approval owners
Illustrative module interface and datums concept; not documentary customer photography

Module interface and datums

Define your optical cooling mounting interface using the exact module envelope, locating features, contact footprint and keep-outs. Separate optical alignment requirements from general mounting-hole dimensions.

Illustrative heat load and installed conditions concept; not documentary customer photography

Heat load and installed conditions

For telecom cooling, share dissipated heat, heat-source locations, duty cycle, inlet conditions and available airflow or coolant. A data rate or module outline alone does not define a heat sink or cold plate.

Illustrative connections and service access concept; not documentary customer photography

Connections and service access

Review insertion/removal travel, cable bend space, fitting access and the contact stack. Confirm telecom cooling coolant compatibility against the complete wetted circuit, seal materials and approved fluid requirements.

Illustrative quote and prototype scope concept; not documentary customer photography

Quote and prototype scope

When comparing a telecom cold plate manufacturer, state your drawing, quantities, supplied fittings and records. A custom optical cooling plate quote should identify machining, joining, finishing and checks. Trace your telecom heat sink prototype to its released revision.

Compare 4 Mechanical Cooling-Part Routes

Select a route around your actual environment and interfaces. These are illustrative scopes, not universal transceiver compatibility, optical stability or cabinet-cooling ratings.

Illustrative defined subassemblies concept; not documentary customer photography

Defined Subassemblies

Review the plate, brackets, short hoses and purchased fittings. Open-channel samples show review-stage geometry; confirm the closed final state separately.

Review this component route →

Illustrative engineering concepts; suitability requires your drawing and operating inputs

Preserve Your Contact Through Installation and Service

Optical cooling block machining should preserve the specified contact face and alignment datums in the final manufactured state. For pluggable modules, review how installation and removal affect the contact interface.

  • Define contact stack and mounting responsibility
  • Check insertion travel, cable loads and access
  • Review the module-height tolerance stack
  • Specify final-state inspection and sample acceptance
MODULE + DATUMS + KEEP-OUTS↓CONTACT + SERVICE TRAVEL↓INSTALLED AIR / FLUID INPUTS↓YOUR AGREED SAMPLE RECORDS

Design context: Molex optical I/O thermal-management report → · Laird pluggable-module interface material context →. These suppliers describe their own technologies; their product performance and insertion-cycle figures are not LK MFG claims or universal design limits.

Compare Your Component Material References

Compare bulk conduction and mass alongside your specified contact stack, coolant, coatings and manufacturing route. These references are not finished optical/telecom cooling tests or material substitution approvals.

Typical thermal conductivity

6061-T6 · 25°C167 W/(m·K)
Cu-ETP annealed · 20°C394 W/(m·K)

Hydro 6061-T6 at 25°C. KME Cu-ETP annealed at 20°C.

Density reference

60612.7 g/cm³
Cu-ETP8.92 g/cm³

Calculate finished mass from the actual geometry. A material conductivity difference does not establish a device-temperature reduction.

Selected composition limits · weight %
GradeEuropean referenceSiFeCuMnMgZnAl
6061EN AW-6061 · AlMg1SiCu0.40–0.80≤0.700.15–0.40≤0.150.80–1.20≤0.25Balance
C11000Cu-ETP · CW004A——≥99.90————

Selected elements only. Dash means not specified in this summary, not zero. 6061: Cr 0.04–0.35%, Ti ≤0.15%; C11000: O ≤0.040%; do not relabel Cu-ETP as oxygen-free copper. Aluminum other elements ≤0.05% each / ≤0.15% total. The purchasing standard and certificate govern. Confirm product form, temper, joining compatibility and required final condition.

Sources: Hydro 6061 → · KME Cu-ETP →

3 Views of Your Contact Budget and Approval Evidence

Compare clear assumptions before you compare results. The arithmetic below is a chosen design example, not a measured curve, CFD result or product rating.

1 · Chosen total-resistance allowance

10 W chosen heat load1.2 K/W
20 W chosen heat load0.6 K/W
40 W chosen heat load0.3 K/W

Chosen example: a 12 K difference between two named temperature nodes divided by 10, 20 or 40 W gives 1.2, 0.6 or 0.3 K/W total allowance. The nodes determine which contact and heat-rejection paths are included. These hypothetical values are not transceiver specifications.

2 · Hold the test conditions constant

HEAT MAP + CONTACT STACK↓AIRFLOW OR FLUID BOUNDARY↓SENSORS + DUTY + ENVIRONMENT

Your telecom cooling thermal test report should identify the component revision, dissipated heat, contact interface, sensor positions and installed conditions. Compare like-for-like inputs and record whether the module is newly installed or has completed defined service cycles.

3 · Keep the approval owners clear

MATERIAL + DIMENSIONS + FINAL STATE↓SPECIFIED FIT / INTEGRITY RECORDS↓YOUR THERMAL + OPTICAL VALIDATION

Part inspection does not establish link reliability, optical alignment or enclosure cooling. Assign each mechanical, thermal and system requirement to the responsible reviewer before repeat manufacture.

Review Your Surface and Cleanliness Requirements

Separate your thermal contact faces, sealing interfaces and wetted passages. Confirm the specified final condition with the mating assembly.

Illustrative solid module contact skin on an optical telecom cooling plate concept, not documentary company or customer photography

Define the specified module contact area and final surface inspection state from the released drawing.

A finish is not a universal cooling improvement. Confirm its purpose, compatibility and inspection state. Review surface finishing options →

Illustrative engineering concepts

Define Your Functional Features

Put the dimensions that control sealing, assembly fit and heat transfer on your drawing.

Illustrative sectioned optical telecom cooling plate passage and solid contact skin concept, not documentary company or customer photography

Illustrative optical telecom cooling plate section; blue colour shows passages, not CFD

Contact footprint

Heat-source map, specified interface and locating datums

Ports and seals

Thread designation, seal land and fitting engagement

Mounting datums

Hole pattern, datum scheme and tool access

Cover and passages

Joining access, wall thickness and cleaning scope

Final condition

Flatness, masking, protected interfaces and inspection state

Resolve 6 Optical and Telecom Interface Risks

Close the gaps between a manufactured component, the installed interface and your system validation.

Datums and final contact

Specify telecom cooling plate flatness, roughness, inspection area and final condition from the actual module interface. Keep locating datums separate from clearance holes.

Your drawing

Revision, datums and supplied boundary

Your evidence

Defined method, conditions and approval owner

Illustrative datums and final contact review for optical telecom cooling components; not documentary customer photography

5 Checkpoints from Drawing to Repeat Supply

Drawing review

Confirm revision, interfaces and operating inputs.

Route review

Agree materials, joining and final machining.

Sample build

Review the finished component and assembly fit.

Agreed checks

Assess specified dimensions, joints and test records.

Production release

Release the accepted revision, packaging and repeat-order scope.

Approve the Final Mechanical State Before Repeat Orders

Trace contact faces, locating shoulders, mounting patterns and ports to the current drawing. Agree accessible dimensions, material identity, cleanliness, protective handling and specified integrity checks.

  • Drawing revision, material and final finish
  • Contact footprint, datums and module clearance
  • Specified ports, seals and joining evidence
  • Defined packaging and protected interfaces
Review quality planning →
Illustrative dimensional inspection of optical cooling block locating datum concept; not documentary customer photography

Illustrative dimensional inspection; not optical or thermal test evidence

Match Your Part to the Installed Optical or Telecom Assembly

Mechanical component contexts, not customer cases, certified transceiver products or complete cabinet air conditioners.

Illustrative unpowered mechanical optical module carrier with inert dummy blocks concept; not documentary customer photography
01

Pluggable-module interfaces

Review contact and insertion travel.

02

Optomechanical carriers

Define datums and alignment responsibility.

03

Telecom enclosure heat sinks

Match installed airflow and mounting.

04

Compact cold plates

Review contact lands and fluid connections.

05

Connection blocks

Define ports, seals and fitting access.

06

Serviceable subassemblies

Control removal space and brackets.

07

Integration fixtures

Use controlled dummy loads and sensors.

08

Repeat component orders

Trace the accepted material and revision.

6 Inputs for Your Optical / Telecom Cooling Review

  1. Module drawing + locating datums
  2. Dissipated heat map + duty cycle
  3. Contact stack + service travel
  4. Installed airflow or approved coolant conditions
  5. Material, finish, ports + fitting scope
  6. Quantities, records + approval owners

Answers Before You Specify

What alignment data is needed for an optical cooling block quote?

Provide the exact interface drawing, datum scheme, locating features, contact area, mounting, keep-outs and final inspection state. State who owns optical alignment validation; a machined outline alone does not establish it.

Does telecom cooling component manufacturing include cabinet air conditioners?

This scope covers defined heat sinks, plates, blocks, connection parts and specified mechanical subassemblies. Complete cabinet air conditioners, controls and installation are separate scopes and should not be inferred from component imagery.

How should optical cooling sample acceptance be defined?

Agree the released drawing, material, finish, contact geometry, fit, cleanliness, accessible dimensions and any specified integrity records. Define thermal, optical and repeated-service validation separately with controlled inputs and approval owners.

What changes when the module is removed and reinstalled?

Review insertion travel, cable loads, contact stack and interface durability under your required service conditions. Use the actual module and specified interface material; a generic photograph cannot establish a qualified mating-cycle count.

Is a material conductivity chart enough to choose the cooling route?

No. Review geometry, contact, available airflow or coolant, environment, weight and manufacturing route. Typical stock conductivity is not a measured thermal resistance or operating temperature for your assembly.

What should be supplied for a thermal comparison?

Use the same revision, heat map, mounting and contact stack, temperature nodes, installed airflow or fluid conditions, duty cycle and environment. Record the defined service state and acceptance limits.