Tianjin SWKS Technology & Development Co.,Ltd is one of the most reliable manufacturers and suppliers of pc industrial machine vision sensor protective window frame in China. If you're going to buy bulk cheap pc industrial machine vision sensor protective window frame, welcome to get quotation from our factory. Quality products and low price are available.
Custom PC Window Frames for Industrial Vision Sensors
Send your sensor outline, protective window drawing and annual quantity to amanda@tjswks.com for a custom injection molding review. SWKS develops PC protective window frames for compact machine vision equipment where the opening, window seat and mounting pattern must work together in limited installation space.
This frame concept surrounds a separate optical window at the front of a vision sensor. Its rectangular aperture, recessed corner fixing holes and short upper hood illustrate one possible arrangement. The sensor, lens, lighting, transparent pane, gasket and fasteners are separate assembly items. The photographs show a representative customization concept; production dimensions and fit follow the approved customer drawing.
Vision systems depend on a clear optical path. A frame that looks suitable mechanically can still obstruct edge pixels, reflect light into the camera or make cleaning difficult. We therefore review the full front assembly, including the lens viewing cone, light source position, window thickness and service access, before finalizing the molded geometry.
Product Information
| Item | Custom specification |
|---|---|
| Product | Industrial machine vision sensor protective window frame |
| Material | PC, grade selected for the actual environment and drawing |
| Manufacturing process | Custom thermoplastic injection molding |
| Typical geometry | Rectangular clear aperture, window retaining seat, recessed fixing holes and optional upper hood |
| Dimensions | Customer specific; no universal sensor fit is implied |
| Color and finish | Black shown; molded color and texture subject to resin and tooling review |
| Drawing formats | STP, STEP, IGS and supporting dimensioned drawings |
| Assembly interfaces | Window edge, housing datum, gasket and screws as agreed |
| Validation | Dimensional, assembly and optical clearance checks defined for each project |
Protecting the Window Without Obstructing the View
The first design input is the useful optical opening. This may be larger than the visible lens diameter because the camera looks through the pane at an angle toward the edges of its field of view. Window thickness and the distance between lens and window also influence the required opening. Provide the camera model or an optical clearance envelope so that the inner frame edge can be reviewed with the complete stack.
The upper hood can help shield the front surface from incidental overhead contact and some unwanted external light. Its depth must remain compatible with the illumination pattern and nearby equipment. A longer hood is not automatically better: it may create shadows or interfere with objects moving close to the sensor. The final contour should be checked in the actual inspection arrangement.
Interior edges and surface appearance also matter. A glossy ledge close to the lens may introduce a reflected highlight, while loose flash can affect the clear aperture. We can discuss texture and edge treatment in the tooling review, but successful image capture must be demonstrated by the customer's vision system. No optical transmission, image quality or calibration specification is claimed for the molded frame alone.
Window Retention and Gasket Seating
The retaining seat supports the edge of a separate glass or polymer pane. Its width, depth and flatness depend on window thickness, edge preparation, gasket compression and the retention method. The design should keep hard localized loading away from fragile window edges. If the pane needs to float slightly to accommodate expansion, the drawing should define that clearance instead of relying on an accidental loose fit.
A gasket can be located in a dedicated groove or against a flat land, depending on the housing arrangement. Groove corners, flash allowance and compression stops require review with the chosen gasket. A frame cannot provide an ingress protection rating independently of its window, housing, seal and screws. Any sealing claim must be supported by testing of the complete assembled device under the required conditions.
For serviceable sensors, replacement of a scratched or contaminated window should be possible without damaging the frame or disturbing unrelated wiring. We review screwdriver access, screw retention and the sequence for removing the front frame. The buyer should state whether the pane is intended to be replaced periodically or remains permanently bonded in place.
Mounting Pattern and Housing Datums
The four recessed holes shown are an example rather than a fixed pattern. Hole centers, head clearance and recess depth can be adapted to the sensor housing. The recess must allow the selected driver to reach the fastener while retaining enough surrounding material to distribute clamp load. Screw size and assembly torque are determined by the joint design, not by the appearance of the reference image.
A locating shoulder or pilot feature can control frame position more consistently than clearance holes alone. Datum selection should connect the optical opening to the sensor body rather than to an unrelated outer cosmetic edge. Where a metal housing and a PC frame expand differently, the locating strategy should accommodate the operating range without forcing the frame into distortion.
Choosing PC for the Frame
PC is considered for many equipment housings and protective components because suitable grades offer a useful balance of toughness and stiffness. Actual performance varies with resin grade, molding conditions, geometry and exposure. The black frame is a mechanical retaining component; its material selection does not determine the optical properties of the separate transparent pane.
Cleaning chemicals deserve specific attention. Provide the cleaner name, concentration, contact time and cleaning frequency. Solvents and assembly stress can influence cracking behavior in PC, so a generic statement that the part is chemical resistant is insufficient. The proposed grade should be assessed against the actual cleaning and processing environment.
Outdoor light, heat, oils and repeated wash cycles may require a different grade or a different polymer. Flame retardance, UV stability and regulatory documents are evaluated only when requested for a particular resin and application. We do not infer certification from the material name. If your project needs another material family, our custom plastic parts service can support a drawing based review.
Injection Molding and Tooling Review
A thin rectangular frame can distort if wall sections, cooling and gate placement are poorly balanced. We review the opening, corner thickness, hood transition and mounting recesses together. Ribs may support local stiffness, but oversized intersections can increase sink or warpage. Practical draft and fillets should be included without reducing the functional clear aperture.
The window seat and housing contact face require special attention when selecting parting lines, gates and ejector locations. Visible marks may be acceptable on an external rear surface but unsuitable on a sealing land. Critical surfaces should be identified on the drawing, with an agreed appearance boundary rather than a general requirement for every surface to be identical.
Tool trials establish whether the molded frame meets the approved fit and appearance requirements. Sample review should include the real housing, window, gasket and fasteners whenever possible. A dimensional report alone cannot reveal every assembly or optical interference. Changes discovered during sample testing should be incorporated through controlled drawing revisions before repeat production.
Inspection and Production Approval
Typical inspection points include aperture dimensions, mounting hole pitch, window seat depth, contact face condition and frame distortion. Tolerances are assigned according to function and tooling feasibility. If a particular dimension controls optical clearance, show its datum and measurement method so that both parties assess the same feature.
Assembly checks can examine seating, screw access, pane movement and visual interference at the edge of the viewing field. Environmental checks are project specific and may include the actual cleaning fluid or temperature cycle. The customer remains responsible for approving the finished sensor assembly and its performance in the machine.
For repeat orders, the drawing revision, approved sample, resin identification and packing requirements should remain linked. Frames should be packed to protect the window seat and avoid deformation during transport. An appropriate packing method is agreed according to part size, appearance needs and shipment quantity.
Frequently Asked Questions
Does the product include the camera and transparent window?
The listing describes a custom molded frame. Cameras, optical panes, gaskets and hardware are supplied only if separately agreed. Provide the assembly bill of materials when requesting a combined quotation.
Can the aperture and hood be changed?
Yes. Aperture size, hood projection, mounting pattern and retaining ledge can be reviewed from your drawings. The proposed geometry must preserve the required field of view and remain suitable for injection molding.
Is the frame waterproof or rated to a specific impact class?
No standalone sealing or impact rating is claimed. Such requirements must be defined and verified on the complete assembly with the selected resin and hardware.
What information is needed for a quotation?
Please send CAD data, a dimensioned drawing, the sensor envelope, window and gasket details, quantities, operating conditions and any inspection requirements. Identify critical surfaces and whether sample assemblies are available.
Request a Custom PC Sensor Frame Quotation
Explore our injection molded plastic parts or send your project information to amanda@tjswks.com. Contact SWKS at 0086-15222707659 to discuss tooling, sample validation and repeat supply. We welcome your enquiry for a custom PC industrial machine vision sensor protective window frame.
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