Tianjin SWKS Technology & Development Co.,Ltd is one of the most reliable manufacturers and suppliers of custom pa66 industrial machine door latch cam in China. If you're going to buy bulk cheap custom pa66 industrial machine door latch cam, welcome to get quotation from our factory. Quality products and low price are available.
Send your lock assembly drawing and cam model to amanda@tjswks.com for a custom PA66 industrial machine door latch cam quotation.
Translate Handle Rotation Into Door Retention
A door latch cam rotates behind a keeper or frame edge to retain an industrial cabinet door or equipment access panel. Its useful geometry begins with the installed lock axis, the keeper position and the available sweep behind the panel. Outside length alone cannot define whether the tongue reaches the keeper, clears adjacent equipment or gives the required closed position.
This custom PA66 industrial machine door latch cam is a drawing-based injection molded nylon component. The illustrated concept has an elongated rounded tongue and a raised circular hub with a square spindle passage. It represents a separate cam, without a lock barrel, handle, keeper, gasket or fastening hardware. Final geometry and supply scope follow the approved drawing.
Locate The Spindle And Keeper Together
Provide the spindle cross-section, engagement length, corner condition and means of axial retention. A square opening must transfer rotation while allowing the specified assembly fit. Its dimensions should be related to the actual mating spindle, including coatings or other surface conditions. Excess clearance can affect angular positioning; an overly tight fit can create assembly stress.
Show the distance from the spindle axis to the keeper contact area in both open and closed positions. Include rotation direction and the intended angular travel. If the lock contains a stop, identify where it acts. A rounded cam tongue does not establish a positive stop by itself, and the molded component should not be expected to absorb an undefined handle overtravel load.
Define The Contact Path And Door Gap
The keeper contact surface controls how the cam enters the retaining position. Specify any lead-in ramp, contact radius and closed-position overlap. The illustrated contact end is a concept rather than a prescribed compression profile. A ramp intended to pull a door inward needs review against the hinge arrangement, door stiffness and any gasket compression requirement.
Supply the tolerance range of the installed door gap and the keeper location. Check the full rotation path for interference with wiring, internal brackets and nearby components. The closed-position engagement should remain acceptable across the defined assembly variation. Where adjustment is needed, show whether it belongs in the keeper, lock mounting or another part of the system.
Choose The PA66 Grade From The Working Conditions
PA66 identifies a nylon family rather than a complete material specification. Grade selection should consider temperature, humidity, sustained contact force, expected operation frequency and cleaning or chemical exposure. State whether the cam is used inside a dry control enclosure, near a warm machine surface or in another environment. Generic PA66 does not confirm suitability for every installation.
Moisture conditioning can influence nylon dimensions and mechanical response. Define the material condition used for dimensional acceptance and functional evaluation. If reinforcement, stabilization, restricted additives or a particular color is required, list those requirements before tooling approval. No glass content, flame classification or electrical rating is assigned without an agreed grade and supporting evidence.
For other drawing-based nylon components, see our custom molded nylon parts category.
Review Hub Strength And Long-Term Loading
The raised hub, spindle opening and transition into the tongue form the torque path. Their sections should be reviewed together, especially around the square opening corners and the hub-to-arm junction. Supply the intended operating torque and any abnormal loading that must be considered. The concept photograph cannot establish a permissible torque or a retention force.
A cam held against a keeper for long periods experiences a different loading condition from a briefly operated lever. Include the duration and level of sustained force, together with the service temperature. If the application relies on maintaining gasket compression or door preload, evaluate dimensional change and relaxation using representative parts and the assembled mechanism.
Specify Molded Surfaces By Function
Identify the keeper contact face, spindle fit surfaces and cosmetic areas separately on the drawing. Gate vestige, parting-line mismatch and ejector marks should be positioned and limited according to those functions. A small projection that is harmless on a hidden surface may obstruct a spindle fit or change sliding contact at the tongue.
Agree the edge condition and any allowable flash at the square passage. Draft, local wall sections and radii need to support molding while preserving the required fit and motion. Any machining, printing, insert fitting or other secondary operation must be stated in the quotation scope rather than inferred from a generic product illustration.
Evaluate The Complete Latch Assembly
Sample review should combine dimensional inspection with installation on the intended lock and keeper. Check spindle engagement, axial retention, rotation clearance and contact in the closed position. Include the actual panel thickness and mounting hardware so that the evaluation reflects the installed relationship between the lock body and cam.
If repeated operation, vibration, impact or environmental exposure forms part of the requirement, define the test procedure and acceptance criteria in advance. This component is not presented as a security lock, a certified safety interlock or a complete rated enclosure latch. Any such system requirement needs separate assessment of the finished equipment.
Prepare The Drawing Package For Quotation
Send a STEP, STP or IGS model with a dimensioned drawing, the mating spindle details and an assembly view showing the keeper. Mark critical dimensions, required material condition, expected quantity and appearance requirements. For an existing part, photos from both faces and the side help identify the hub offset and contact arrangement, but do not replace controlled dimensions.
Confirm whether the request covers the nylon cam only or also requires separately specified operations or components. Contact amanda@tjswks.com to review your custom PA66 industrial machine door latch cam requirements.
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