Mechanical Engineer Needed to Redesign Water Bottle Handle Pivot (Injection Mold Design) Ended

About the job

We are developing a premium stainless steel insulated water bottle and currently working with a manufacturing factory overseas. The current design has a handle durability issue, and the factory has stated that the requested modification cannot be implemented without redesigning the handle pivot structure.

We are looking for an experienced mechanical engineer or product design engineer who can evaluate the current design and propose a reliable pivot/hinge solution suitable for injection molding and mass production.

Current Issues

Handle drops down after some usage.

Factory currently uses plastic-to-plastic pivot contact (PP material).

We prefer a reinforced pivot structure, ideally using a stainless steel hinge pin or another durable mechanism.

The factory claims the mold cannot be modified easily and suggests a redesign.

Scope of Work

Review existing drawings, photos, and factory feedback.

Evaluate the current pivot mechanism.

Propose an improved handle structure that:

Prevents handle from dropping down

Withstands ≥5,000 open/close cycles

Is compatible with injection molding

Works with stainless steel bottle geometry

Provide updated 3D CAD design and technical recommendations.

Deliverables

Updated CAD files (STEP / SolidWorks / Fusion 360)

Suggested pivot mechanism design

Engineering explanation suitable to communicate with our factory.

Preferred Experience

Consumer product mechanical design

Injection molded pl... read more
We are developing a premium stainless steel insulated water bottle and currently working with a manufacturing factory overseas. The current design has a handle durability issue, and the factory has stated that the requested modification cannot be implemented without redesigning the handle pivot structure.

We are looking for an experienced mechanical engineer or product design engineer who can evaluate the current design and propose a reliable pivot/hinge solution suitable for injection molding and mass production.

Current Issues

Handle drops down after some usage.

Factory currently uses plastic-to-plastic pivot contact (PP material).

We prefer a reinforced pivot structure, ideally using a stainless steel hinge pin or another durable mechanism.

The factory claims the mold cannot be modified easily and suggests a redesign.

Scope of Work

Review existing drawings, photos, and factory feedback.

Evaluate the current pivot mechanism.

Propose an improved handle structure that:

Prevents handle from dropping down

Withstands ≥5,000 open/close cycles

Is compatible with injection molding

Works with stainless steel bottle geometry

Provide updated 3D CAD design and technical recommendations.

Deliverables

Updated CAD files (STEP / SolidWorks / Fusion 360)

Suggested pivot mechanism design

Engineering explanation suitable to communicate with our factory.

Preferred Experience

Consumer product mechanical design

Injection molded plastic parts

Hinge / pivot mechanisms

Experience designing products for mass manufacturing

We will provide existing drawings, images, and factory engineering feedback once the project begins. read less
We are developing a premium stainless steel insulated water bottle and currently working with a manufacturing factory overseas. The current design has a handle durability issue, and the factory has stated that the requested modification cannot be implemented without redesigning the handle pivot structure.

We are looking for an experienced mechanical engineer or product design engineer who can e... read more
We are developing a premium stainless steel insulated water bottle and currently working with a manufacturing factory overseas. The current design has a handle durability issue, and the factory has stated that the requested modification cannot be implemented without redesigning the handle pivot structure.

We are looking for an experienced mechanical engineer or product design engineer who can evaluate the current design and propose a reliable pivot/hinge solution suitable for injection molding and mass production.

Current Issues

Handle drops down after some usage.

Factory currently uses plastic-to-plastic pivot contact (PP material).

We prefer a reinforced pivot structure, ideally using a stainless steel hinge pin or another durable mechanism.

The factory claims the mold cannot be modified easily and suggests a redesign.

Scope of Work

Review existing drawings, photos, and factory feedback.

Evaluate the current pivot mechanism.

Propose an improved handle structure that:

Prevents handle from dropping down

Withstands ≥5,000 open/close cycles

Is compatible with injection molding

Works with stainless steel bottle geometry

Provide updated 3D CAD design and technical recommendations.

Deliverables

Updated CAD files (STEP / SolidWorks / Fusion 360)

Suggested pivot mechanism design

Engineering explanation suitable to communicate with our factory.

Preferred Experience

Consumer product mechanical design

Injection molded plastic parts

Hinge / pivot mechanisms

Experience designing products for mass manufacturing

We will provide existing drawings, images, and factory engineering feedback once the project begins. read less

Things to know

Job location

Remote

Work location

Job skill level

Expert

Skill Level

Job rate

$600

Fixed-rate (USD)

Job type

Part-time

Job type

Job length

Under 1-month

Job duration

Areas of expertise

Consumer Products Design Design for Manufacturing (DFM Fusion 360 CAM Injection Molding Mechanical Design Plastic Part Design Plastic Product Design SOLIDWROKS +5 more

Job categories

Product Engineering Services Mechanical Design Services Injection Molding Design Mechanical Engineering Mold and Die Design Services +2 more

About the client

Payment ready

United States (09:44 am)

Posted

Active

Job activity

57 Applicants

5 interviews in progress

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