Engine mounts, chassis parts, and machined components for assembly lines.
High-strength fasteners, landing gear parts, and structural assemblies.
Forged housings, armor brackets, and mission-critical structural parts.
Precision housings, actuator frames, and armature linkages for automation systems.
Metal frames, brackets, and assemblies for appliances and home equipment.
Busbar holders, battery pack parts, and lightweight structural enclosures.
Solar mounting parts, wind turbine brackets, and battery enclosures.
Valve bodies, flange blocks, and downhole drilling components.
Large welded frames, PEB structures, and assemblies for industrial equipment.
Durable transformers built for consistent performance, energy efficiency, and stable power regulation.
Frigate’s industrial-grade enclosures provide durable, customizable protection with efficient thermal management for high-performance applications.
High-performance cables and wires engineered for durability and seamless connectivity across applications.
Custom-built wiring harnesses for secure connections and streamlined installations.
Precision-engineered busbars for efficient power distribution and minimal energy loss.
Robust connectors designed for secure locking, reliable conductivity, and long-term performance.
Diverse solutions covering automotive, electrical, mechanical, and industrial needs with precision-built components.
CNC machining delivers micron precision and tight tolerances for complex geometry.
Frigate CNC Machining offers high-precision, custom solutions for complex casting geometries. Multi-axis capabilities ensure tight tolerances and optimal surface finishes.
Sheet metal fabrication uses laser cutting, punching, and bending for precision.
Frigate Sheet Metal Fabrication utilizes advanced laser cutting and press brake technology for custom casting applications. Tight tolerances, superior welds, and high-strength materials ensure structural integrity.
Injection molding produces high-precision parts with consistent quality.
Frigate Injection Molding delivers custom-engineered parts with micron-level precision and structural integrity. Specialized molds maintain tight tolerances for complex geometries and high-stress applications.
Precision casting ensures accurate, high-quality parts.
Forging services improve material strength with precise tolerances.
Frigate Casting Services provides custom casting with tight tolerances and complex geometries. We enhance material properties using advanced metallurgy, ensuring strength and wear resistance. Our precision methods support high-performance aerospace, automotive, and industrial applications.
End-to-end part production from samples to bulk supply.
Ready-to-use assemblies built to exact fit and function.
Heavy-duty fabrication with high-strength materials for demanding applications. Robust welding for maximum structural durability.
Dimensional accuracy is critical when the Downhole Tool Mandrel interfaces with completion tools, setting mechanisms, or internal sleeves. Machining is performed with CNC systems calibrated for repeatable tolerance bands within ±0.0015″, ensuring axial alignment and stable engagement under pressure. Downhole Tool Mandrel thread geometries follow API, VAM, or customer-specific profiles with optimized flank contact to handle combined axial and torsional loads without galling.
Repeated load cycling from setting tools, pressure pulsation, and fluid hammering can cause micro-crack propagation in any improperly designed Downhole Tool Mandrel. To mitigate this, mandrel profiles are optimized using finite element stress mapping, with stress-relief features such as blended shoulders and undercuts introduced in high-tension zones. Select Downhole Tool Mandrels undergo shot peening to induce surface-level compressive stress, thereby increasing fatigue strength.
Downhole Tool Mandrels must reliably maintain seal integrity under fluctuating wellbore pressures and thermal cycles. Concentricity, circularity, and surface profile are tightly controlled across seal zones to support long-term engagement with packers, sleeves, or internal sealing elements. Each sealing region of the Downhole Tool Mandrel is processed to an 8–16 µin Ra surface finish, and material hardness is matched to prevent seal extrusion or wear during pressure surges.
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Used as structural support for mechanical or hydraulic packers, transmitting setting forces and maintaining axial alignment under high pressure.
Forms the core body for tools that initiate or control frac sleeve opening using shifting profiles or hydraulic actuation chambers.
Serves as the base structure for wireline-deployed sensors, incorporating channels for electrical pass-through and shock-isolated electronics housing.
Provides mechanical engagement points and load transmission for tools shifting sliding sleeves in multizone completion or zonal isolation systems.
Acts as the central mandrel for bridge plugs, enabling anchoring, sealing, and pressure containment during temporary or permanent wellbore isolation.
Supports axial movement and sealing within subsurface safety valves, maintaining concentricity and integrity under high-pressure actuation cycles.
The Downhole Tool Mandrel is exposed to corrosive agents like H₂S, CO₂, and brine, requiring NACE-compliant alloys with verified sulfide stress cracking resistance. To prevent galvanic corrosion in mixed-material assemblies, mandrels are passivated or coated with Xylan, ceramic, or electroless nickel. For wireline or MWD use, CRA or low-magnetic materials are selected based on formation chemistry and magnetic sensitivity.
The Downhole Tool Mandrel is designed to transfer axial and torsional loads without inducing stress risers or deformation. Geometries are optimized to ensure linear stress flow and are validated for burst and collapse per ISO 10423 and API 5C3. For rotating tools, mandrels are dynamically balanced and held to strict straightness tolerances to prevent eccentric wear.
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Frigate uses CNC machining with controlled flank engagement and root radius to reduce stress concentration at the thread roots. All threads are validated using optical measurement systems to confirm pitch consistency and lead accuracy. Galling resistance is improved through surface treatments like phosphate coating or copper plating. For torque-critical applications, thread form geometry is customized to balance axial load transfer and seal integrity.
Frigate machines seal surfaces to 8–16 µin Ra finish, minimizing leakage across elastomeric or metal-to-metal seals. Concentricity and axial runout are measured using calibrated metrology tools to ensure seal line alignment. Material hardness is matched to seal material to prevent extrusion and abrasion. In corrosive zones, seal areas can be overlaid with hard coatings to resist wear and chemical degradation.
All mandrel materials are sourced to meet NACE MR0175 / ISO 15156 standards for hydrogen sulfide environments. Each heat lot undergoes hardness testing, sulfide stress cracking (SSC) resistance evaluation, and grain flow inspection. Metallurgical certification includes chemical analysis, mechanical property data, and microstructure imaging. Frigate also performs in-house corrosion simulation testing for specific downhole fluid conditions.
Mandrel designs are FEA-modeled to locate high-stress regions, which are then optimized with smooth transitions and balanced cross-sections. Critical zones are shot-peened to induce compressive surface stress and delay crack initiation. Fatigue-sensitive areas undergo polishing to remove machining marks that can act as crack starters. Frigate validates fatigue performance using load cycle simulation and comparative S-N curve analysis.
Mandrels exceeding 1.5 meters are machined with live tooling and tailstock support to maintain straightness and dimensional consistency. Final inspection includes full-length CMM scanning for runout, taper, and bore concentricity. Thermal expansion coefficients are considered during machining to account for temperature variation in downhole conditions. Frigate applies ISO 2768-mK tolerances or tighter, based on functional requirements.
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818, Preakness lane, Coppell, Texas, USA – 75019
10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.
9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ
FRIGATE is a B2B manufacturing company that facilitates New Product Development, contract manufacturing, parallel manufacturing, and more, leveraging its extensive partner networks.
Need reliable Machining for your next project? Get in touch with us today, and we’ll help you find exactly what you need!
Need reliable wires and cables for your next project? Get in touch with us today, and we’ll help you find exactly what you need!