Waterproof and dustproofdesign (IP67)
Compact size andcompact structure
Long lifespan andhigh reliability
100% Manufactory
Set up since 2012, our company own the factory, and experienced.
PROFESSIONAL MANUFACTURER OF MICRO SWITCHES
Waterproof and dustproofdesign (IP67)
Compact size andcompact structure
Long lifespan andhigh reliability
Product Quality
Uiled have obtained relevant CCC, CQC, UL, VDE, CE, ENEC enterprise and relevant product certifications.
Sales Market
We have gained a global sales network reaching many countries over North America, South America, Europe, Africa and South East Asia.
After-Sales Service
A complete service network has been established to respond to user requests within 24 hours.
PRODUCTS
The core products include micro switches and travel limit Switch, push button switch, foot switch, toggle switch, AC power socket.
The core products include micro switches and travel limit Switch, push button switch, foot switch, toggle switch, AC power socket.
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ABOUT LEMA
Lema is committed to R&D, production and sales of industrial control electrical switches. The company's core products include micro switches and travel limit Switches, push button switches, foot switches, toggle switches, AC power socket.
After nearly 30 years of steady development, Lema has become a large-scale professional manufacturer of micro switches in China. The company currently covers an area of more than 11,000 square meters.
2000Years
Established in
40+
Exporting countries and regions
10000m2
Factory floor area
60+
Authentication certificate
APPLICATION
Committed to research and development, production, sales of industrial electrical switches and connectors
INDUSTRIAL
AUTOMATION
Industrial automation empowers smart manufacturing with reduced manual labor, higher precision, and greater efficiency.
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NEWS
Stay updated with the latest developments, product launches, and industry insights.
Limit Switch Cam Target Hardness: Ask for Evidence Before Specifying a Value
Limit switch cam target surface hardness evidence should identify the separate mating cam, its material and condition, the test method and scale, and the locations actually tested. A bare hardness number is not enough to approve the interface. Confirm whether the result concerns the working surface, an underlying region or a representative coupon. Then review it together with cam shape, alignment and application conditions. No universal hardness value can be assigned to every roller limit switch, and a harder target does not by itself demonstrate longer switch life or acceptable operation.Identify the part that the hardness report describesThe cam or dog is the external machine part that actuates the switch. The roller, lever and switch housing are different components. A hardness certificate for the cam stock does not establish the roller material or the switch’s durability. Begin the review by placing the cam drawing and switch ordering information beside the report, with each component identified separately.The Lemaele LZ1 series product page supplies product-family information, but it does not prescribe the material or surface hardness of every customer-designed cam. Request application guidance for the selected actuator and use the machine designer’s controlled cam drawing. Do not infer a target hardness from the visible silver roller or the switch housing description.This is an evidence review for an existing or proposed mating part. For the overall actuator choice, begin with the limit switch actuator types guide. For the shape and travel of the target, use the separate cam profile design review. Those decisions remain necessary even when the hardness documentation is complete.LZ1 roller lever limit switch beside a separate unattached cam target coupon. Product-reference illustration; not a test result or approved test fixture.Read...
↗Power Inlet Mounting Flange Flatness: Inspect Seating Before Tightening
Power inlet mounting flange flatness inspection begins by identifying the intended seating surface and the condition in which it must be checked. Examine the loose inlet and panel separately before tightening screws. Remove only permitted loose contamination, record rocking or visible gaps, and compare measurements with the approved drawing and agreed method. A flange that pulls down when screws are tightened has not automatically passed a flatness check. The assembly may be deforming to match the panel. Distinguish the inlet’s own form from panel distortion, surface obstruction and the fit of the complete mounted equipment.Decide whether you are checking form or assembled fitFlatness concerns the form of a defined surface. Seating concerns how two real parts contact in a particular arrangement. These questions overlap, but they are not interchangeable. A flat flange can sit poorly on a distorted panel, and an uneven flange can appear flush after forced assembly. State which question the inspection is intended to answer before selecting a fixture.A mounting flange may contain ribs, recessed regions, molded features or local contact pads. Do not treat every visible exterior face as the intended mounting plane. Obtain the supplier drawing and identify the functional seating regions. If the drawing does not specify a flatness requirement, ask for the relevant assembly acceptance criteria rather than inventing a numerical limit.The IPZ series product page shows mounting variants. Confirm the exact screw-mount version before planning a flange check. A snap-in body has a different retention interface, so a procedure developed for screw ears should not be transferred without review. The mounting style comparison helps distinguish those interfaces.Close view of IPZ inlet flange seating edge beside an unattached panel sample. Product-reference illustration; not...
↗Foot Switch Cable Conductor Strand Verification: Check the Ordered Construction
Foot switch cable conductor strand verification starts with the approved cable construction, not with how flexible the finished cord feels. Match the ordered cable part number and revision to supplier records, identify the conductor material and declared stranding, and use a traceable sacrificial sample when a physical examination is required. Record which conductor was examined and how the sample was prepared. A continuity reading can support an electrical check, but it does not identify the number or condition of individual strands. Keep construction acceptance separate from bend-life qualification, terminal approval and the safety assessment of the finished machine.Define the cable being purchased before counting strandsA purchasing description such as “flexible black cable” leaves important questions unanswered. Request the cable manufacturer or controlled supplier code, conductor count, nominal conductor size, insulation and jacket identification, and the drawing revision supplied with the foot switch. If stranding matters to the design, ask for the declared construction and its permitted variation. Do not infer these details from an outer diameter, a photograph or a general product family name.The Lemaele LF series product page describes customizable wiring. It does not establish one universal strand count or cable compound for every delivered configuration. Use the selected LF ordering record to connect the approved cable to the actual pedal assembly. This article concerns that identification task; the foot switch selection guide covers the wider application review.Separate the individual conductor from the complete cable. A multicore cable can contain several insulated conductors, each containing multiple metal strands. A braid or shield is another construction feature and should not be counted as a power conductor. Photograph the sample with identifiers that make this distinction clear, especially when a supplier...
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