Engine Mounting Frame

Product Specifications

Technical details and manufacturing context for Engine Mounting Frame

Definition

The Engine Mounting Frame is a critical structural component within the Upper Structure (House) that provides a rigid, vibration-damping platform for mounting the engine. It ensures proper alignment, absorbs operational vibrations and torque, and transfers loads to the main chassis while isolating the engine from the rest of the structure to minimize noise and stress. The frame is typically fabricated from high-strength steel or aluminum alloy, with material grades such as Q235B–Q345B (yield strength 235–345 MPa) per GB/T 700 and GB/T 1591. Surface treatments include Zn–Ni coating with corrosion resistance ≥480 h salt spray (ASTM B841) and hot-dip galvanized coating of 60–120 μm (ISO 1461). The frame is designed to operate within a temperature range of -40°C to 85°C, with vibration resistance tested by sweep sine at 5 g from 10–500 Hz (ISO 16750-3). Dimensional tolerances for critical mounting holes are ±0.1 mm, with general tolerances per ISO 2768-m. Bolt hole diameters range from 10–14 mm for M8–M12 bolts (ISO 273). The mounting hole pattern typically consists of 4–8 evenly spaced holes per ISO 2768. Load capacity per mounting point ranges from 500–2000 kg, and the frame weight varies from 15–60 kg depending on engine size. These values are directory reference ranges and must be confirmed for the specific model and application. The frame's geometry and mounting points are engineered to position the engine correctly, and it utilizes rubber or hydraulic mounts at connection points to dampen vibrations and shocks, preventing transmission to the cabin or sensitive components. Proper installation and maintenance are essential to ensure structural integrity and performance. Always verify model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The frame acts as an interface between the engine and the vehicle's upper structure. It is designed with specific geometry and mounting points to position the engine correctly. It utilizes rubber or hydraulic mounts at connection points to dampen vibrations and shocks generated by the engine during operation, preventing their transmission to the cabin or other sensitive components. The frame transfers static and dynamic loads to the main chassis while isolating the engine to minimize noise and stress. The mounting points are precisely machined to maintain alignment, and the frame's stiffness is balanced to absorb torque reactions without excessive deflection. Regular inspection of mounts and fasteners is necessary to ensure continued damping performance and structural integrity.

Common Materials

High-strength steel, Aluminum alloy

Technical Parameters

Parameter	Typical range	Notes & selection driver
Load Capacity	500–2000 kg	Maximum static load per mounting point
Material Grade	Q235B–Q345B	Yield strength 235–345 MPaGB/T 700, GB/T 1591
Surface Treatment	Zn–Ni	Corrosion resistance ≥ 480 h salt sprayASTM B841
Operating Temperature	-40–85 °C	Below -40°C material brittleness risk
Vibration Resistance	10–500 Hz	Sweep sine at 5 gISO 16750-3
Dimensional Tolerance	±0.5 mm	Critical mounting holes ±0.1 mmISO 2768-m
Bolt Hole Diameter	10–14 mm	For M8–M12 boltsISO 273
Weight	15–60 kg	Depends on engine size
Mounting Hole Pattern	4–8 holes	Evenly spaced per ISO 2768
Coating Thickness	60–120 μm	Hot-dip galvanizedISO 1461

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Main Cross Beam Part
Provides primary longitudinal support and rigidity to the frame structure.

Material: High-strength steel
Mounting Bracket Part
Specific attachment point with integrated bushing or isolator for connecting the engine mount.

Material: Steel or aluminum alloy
Reinforcement Gusset Part
Triangular plate added at joints to increase strength and prevent stress cracking.

Material: Steel
Rubber Mounts
Isolate engine vibration from the frame at each attachment point.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Upper Structure (House)

View system integration details

Manufacturers of Engine Mounting Frame

Manufacturer profiles associated with Engine Mounting Frame.

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Frequently Asked Questions

What materials are used for the Engine Mounting Frame?

The frame is typically made of high-strength steel or aluminum alloy. Material grades such as Q235B–Q345B (yield strength 235–345 MPa) are referenced per GB/T 700 and GB/T 1591. Confirm the specific material grade with the manufacturer for your application.

What is the load capacity of the frame?

The maximum static load per mounting point is listed as 500–2000 kg. This is a reference range; the actual capacity depends on the engine size and mounting configuration. Always verify with the supplier for your specific model.

How does the frame dampen vibrations?

The frame uses rubber or hydraulic mounts at connection points to absorb operational vibrations and shocks. These mounts isolate the engine from the rest of the structure, reducing noise and stress transmission.

What standards apply to the frame's manufacturing?

Relevant standards include GB/T 700 and GB/T 1591 for material grades, ASTM B841 for Zn–Ni coating, ISO 1461 for hot-dip galvanizing, ISO 16750-3 for vibration resistance, and ISO 2768-m for tolerances. These are verification references; compliance must be confirmed with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	N/A (structural component, not pressure vessel)
other spec:	Max dynamic load: 5000 N, Max static load: 8000 N, Vibration frequency range: 5-200 Hz
temperature:	-40°C to +150°C

Product Specifications

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