{"product_id":"airtac-lsh15r-lsh15rlx-15mm-linear-guide-rail-4-row-heavy-duty-structure-hgr15-compatible-custom-length-available","title":"AirTAC LSH15R \/ LSH15RLX 15mm Linear Guide Rail | 4-Row Heavy-Duty Structure | HGR15 Compatible | Custom Length Available","description":"\u003cp data-path-to-node=\"3\"\u003e\u003cb\u003eModel:\u003c\/b\u003e LSH15RLX (LSH15R-Length-X)\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"4\"\u003e1. Executive Summary\u003c\/h3\u003e\n\u003cp data-path-to-node=\"5\"\u003eThe \u003cb\u003eAirTAC LSH15RLX\u003c\/b\u003e is the \u003cb\u003e15mm specification standard linear guide rail body\u003c\/b\u003e (rail only, block not included) within the LSH High Assembly Series.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eIt is the most refined and compact member of the AirTAC heavy-duty guide family. Despite its mini size, it does not compromise on performance, adopting the same \u003cb\u003efour-row circular arc groove design\u003c\/b\u003e as the larger specification rails. This means that, compared to miniature guides (MG Series) of the same width, the LSH15R offers superior torsional rigidity and a higher rated load capacity, making it the preferred rail base for high-precision 3D printers, small robotic arms, and medical instruments.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"7\"\u003e2. Model Code Decoding\u003c\/h3\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cb\u003eHow to interpret LSH15RLX:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb\u003eLSH:\u003c\/b\u003e \u003cb\u003eSeries Name\u003c\/b\u003e — High Assembly Standard Type Linear Guide.\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,0,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,1,0,0\"\u003e\u003ci\u003eNote: This is the \"Standard Heavy Duty\" series, not the \"Miniature\" series.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb\u003e15:\u003c\/b\u003e \u003cb\u003eSpecification Size\u003c\/b\u003e — Nominal width of \u003cb\u003e15 mm\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,1,0,0\"\u003e\u003ci\u003ePositioning: Small volume, lightweight, but with strong structural rigidity.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb\u003eR:\u003c\/b\u003e \u003cb\u003eComponent Type\u003c\/b\u003e — \u003cb\u003eRail\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,1,0,0\"\u003eRepresents the rail being purchased separately, typically for DIY equipment assembly (buying based on design length) or replacing worn rails in old equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb\u003eLX:\u003c\/b\u003e \u003cb\u003eCustom Length (Length Variable)\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,3,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,1,0,0\"\u003e\u003cb\u003eL\u003c\/b\u003e = Length.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,1,1,0\"\u003e\u003cb\u003eX\u003c\/b\u003e = Variable. The order requires specifying the exact length in millimeters (e.g., LSH15R-450L). The factory offers precision cutting services ranging from 100 mm up to 4,000 mm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"10\"\u003e3. Technical Specifications\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003ci\u003e(Essential Data for Designers and Engineers)\u003c\/i\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb\u003eRail Width (W1)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e\u003cb\u003e15 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,2,0\"\u003eStandard dimension.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb\u003eRail Height (H1)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e\u003cb\u003e15 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,2,0\"\u003e\u003ci\u003eCoincidence: The 15mm rail specification features a width and height that are both exactly 15mm (square cross-section), making it easy for aluminum profile designs.\u003c\/i\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb\u003eMounting Hole Pitch (P)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e\u003cb\u003e60 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,2,0\"\u003eThe spacing between fixing holes on the rail. This is an international universal standard.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cb\u003eMounting Hole Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003e\u003cb\u003eø4.5 x 7.5 x 5.3 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,2,0\"\u003eCountersunk hole dimensions.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,5,0,0\"\u003e\u003cb\u003eCompatible Bolt\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,5,1,0\"\u003e\u003cb\u003eM4 Hex Socket Cap Screw\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,5,2,0\"\u003eUsed for fixation. \u003ci\u003eTip: Compared to the M5 screws used on 20mm rails, the smaller M4 screw head demands higher precision flatness from the mounting surface.\u003c\/i\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,6,0,0\"\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,6,1,0\"\u003eHigh-Carbon Chromium Bearing Steel (GCr15)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,6,2,0\"\u003eIndustry standard material for durability.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,7,0,0\"\u003e\u003cb\u003eHardness\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,7,1,0\"\u003eHRC 58~62\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,7,2,0\"\u003eAchieved via high-frequency heat treatment.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"13\"\u003e4. Key Benefits\u003c\/h3\u003e\n\u003cp\u003eA. Compact but Heavy Duty\u003c\/p\u003e\n\u003cp\u003eThis is the biggest difference between the LSH15R and Miniature Guide rails. Miniature guides typically use only two rows of balls, while the LSH15R features four rows of balls. Despite having the same 15mm width, the LSH15R's rigidity, impact resistance, and service life far exceed those of miniature guides, making it ideal for high-speed reciprocating movement mechanisms like print heads or gripping units.\u003c\/p\u003e\n\u003cp\u003eB. Industry Standard Interchangeability\u003c\/p\u003e\n\u003cp\u003eThe AirTAC LSH15R strictly adheres to industry universal dimensions.\u003c\/p\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e Its rail cross-section dimensions and hole pitch (60 mm) are identical to those of \u003cb\u003eHIWIN HGR15\u003c\/b\u003e and \u003cb\u003eTHK HSR15\u003c\/b\u003e. If you wish to upgrade off-brand rails on your equipment to AirTAC, or replace worn imported rails, the LSH15R is the perfect drop-in replacement solution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eC. High-Precision Grinding\u003c\/p\u003e\n\u003cp\u003eThe rail utilizes a one-time profile grinding process, ensuring the parallelism of all four raceways. When paired with AirTAC's high-precision blocks, this achieves extremely low starting friction, which is crucial for small stepper motors with limited driving force.\u003c\/p\u003e\n\u003cp\u003eD. Flexible Customization\u003c\/p\u003e\n\u003cp\u003eSupports millimeter-level length customization (Cut-to-length). For high-precision requirements, the End Distance (E-value) can be specified, ensuring the mounting holes at both ends of the rail are symmetrical and the load distribution is uniform.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"19\"\u003e5. Recommended Applications\u003c\/h3\u003e\n\u003cp data-path-to-node=\"20\"\u003eThe LSH15R is the core framework for light precision manufacturing:\u003c\/p\u003e\n\u003cul data-path-to-node=\"21\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,0,0\"\u003e\u003cb\u003eHigh-End 3D Printers (Voron\/CoreXY):\u003c\/b\u003e Preferred choice for X\/Y axis beams, more stable than MGN12\/15, resulting in fewer printing artifacts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,1,0\"\u003e\u003cb\u003eDesktop CNC\/Laser Engraving Machines:\u003c\/b\u003e Bearing the movement of the laser head or spindle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,2,0\"\u003e\u003cb\u003eMedical Biochemical Analyzers:\u003c\/b\u003e Sample movement axes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,3,0\"\u003e\u003cb\u003ePCB Circuit Board Equipment:\u003c\/b\u003e Feeding axes for drilling or inspection platforms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,4,0\"\u003e\u003cb\u003eSmall Educational Robotic Arms:\u003c\/b\u003e Linear slides for teaching robots.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"22\"\u003e6. Compatible Bearing Block Recommendation\u003c\/h3\u003e\n\u003cp data-path-to-node=\"23\"\u003eThis guide rail \u003cb\u003emust\u003c\/b\u003e be used with AirTAC LSH15 Series blocks:\u003c\/p\u003e\n\u003cul data-path-to-node=\"24\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,0,0\"\u003e\u003cb\u003eLSH15BK:\u003c\/b\u003e Square Block (Narrow body, 34 mm wide, 28 mm high).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,1,0\"\u003e\u003cb\u003eLSH15F1N:\u003c\/b\u003e Flange Block (Wide body, 47 mm wide, 24 mm high).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"25\"\u003e\u003cb\u003e\u003ci\u003eSpecial Note:\u003c\/i\u003e\u003c\/b\u003e \u003ci\u003ePlease confirm your design space before purchasing. The height difference between the BK and F1N blocks (28 mm vs. 24 mm) is a common \"trap\" in the 15mm specification.\u003c\/i\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"26\"\u003e7. Ordering and Installation Tips\u003c\/h3\u003e\n\u003cul data-path-to-node=\"27\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"27,0,0\"\u003e\u003cb\u003eScrew Specification:\u003c\/b\u003e \u003cb\u003eM4\u003c\/b\u003e screws must be used. We recommend using washers or high-strength M4x16 screws (specific length depends on base plate thickness).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"27,1,0\"\u003e\u003cb\u003eHole Cap Installation:\u003c\/b\u003e The countersunk holes on the 15mm rail are small and prone to dust accumulation. AirTAC typically includes green plastic dust caps with the rail; after installing the screws, \u003cb\u003eit is essential to tap the caps into the holes and scrape them flat\u003c\/b\u003e to protect the block's dust wipers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"27,2,0\"\u003e\u003cb\u003eEnd Distance (E-value):\u003c\/b\u003e If the mounting holes on your base plate are already drilled, you \u003cb\u003emust\u003c\/b\u003e specify the \"E-value\" (the distance from the center of the first hole to the rail end face) when ordering, otherwise the screw holes may not align.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AirTAC","offers":[{"title":"Default Title","offer_id":51736469209369,"sku":null,"price":20.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2225\/0265\/files\/WX20251125-221049_2x_61225840-8cbe-43b3-a87c-83cc7c46ed3d.png?v=1764079984","url":"https:\/\/airtac-shop.com\/products\/airtac-lsh15r-lsh15rlx-15mm-linear-guide-rail-4-row-heavy-duty-structure-hgr15-compatible-custom-length-available","provider":"AirTAC Shop","version":"1.0","type":"link"}