{"product_id":"htg-gear-sh-9","title":"【HTG】CNC Machined Spiral Helical Steel Gear Set \"Gen Gear\" 9:1 Dual Sector Gear","description":"\u003cdl class=\"item-description\"\u003e\n\n\u003cdd\u003e\n\n\u003cspan\u003eIntroducing a custom gear set for electric airsoft guns, designed to pursue high quality and high performance.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBorn from H.T.G. Basic's \"KURO Concept,\" this gear set is compatible with Ver. 2, Ver. 3, and Ver. 6 gearboxes, and features the industry's first spiral gears and all-helical gears.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWith 5 types of gear ratios available: 18:1, 16:1, 13:1, 12:1, and 9:1 (DSG), along with 5 types of conventional spur gears, making a total of 10 variations to expand customization options.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e[Integrated Design with High-Precision CNC Machining]\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHigh-precision integrated design achieved through CNC (Computer Numerical Control) machining eliminates compatibility issues, noise, and variations in transmission efficiency between gears. This ensures optimal performance without the hassle of combining products from other manufacturers.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e[Adoption of High-Strength Steel Material]\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMade from S45C and 20CrMnTi (chromium-manganese-titanium alloy gear steel). The material and hardness of each part have been adjusted to suit the characteristics of electric airsoft guns, improving durability and reliability.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e[Changes for Higher Speed and Easier Setup]\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTo accommodate motors with instantaneous rotation increases, such as brushless motors, improved electronic trigger response, or precocking, the tappet pin position of the sector gear has been moved to a later timing compared to conventional models.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThis increases the freedom and simplicity of tappet plate setting.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eSector cut processing, primarily by cutting from the leading tooth, allows for setting with minimal change in cut-off timing while adjusting the relationship between nozzle opening timing and piston.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFurthermore, nozzle closing timing can be adjusted by cutting the lower part of the tappet plate's wing, increasing the flexibility of the processing shape and making nozzle control easier.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePlease note: There are differences from conventional settings, so please test thoroughly before use.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e[Effects and Advantages of Spiral and Helical Gears]\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e◇ Spiral Gears (adopted for pinion and bevel gears)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・High torque transmission efficiency: The helical tooth surfaces make contact, allowing multiple teeth to mesh simultaneously. This ensures smooth torque transmission and resistance to heavy loads.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Noise reduction: Increased contact area between teeth and smooth meshing significantly reduce vibration and noise.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Improved durability: Stress on the tooth surface is distributed, leading to less wear and longer lifespan.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e*The pinion gear comes with a D-type motor shaft.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePlease note that it cannot be used with O-type shafts such as our \"KURO Motor\".\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e◇ Helical Gears (adopted for counter and sector gears)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Smooth operation: The diagonally cut tooth profile provides continuous meshing and reduced impact.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・High rotational performance: Stable transmission is possible even at high rotation speeds, contributing to improved firing cycle.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Improved quietness: Smoother contact compared to spur gears reduces noise inside the gearbox.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e◇ Specification Changes for Spiral Bevel Gear\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・The spiral bevel gear is difficult to integrally mold due to its structure, so it is an assembled type.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・The anti-reversal latch drum has been improved from conventional MIM molding to CNC machining to reduce play.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・The number of anti-reversal latch teeth has been increased from 5 to 6, and as an advantage of separate CNC processing, they now have a smoother shape.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e[Further Performance Improvement with Meticulous Shimming]\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePrecise shimming minimizes backlash (play) between gears, leading to efficient torque transmission and improved response.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e[Gear Ratio Lineup]\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e18:1: Standard gear ratio for balanced performance.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e16:1: Improved firing cycle and moderate torque.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e13:1: Ideal for users seeking high-speed firing.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e12:1: Pursuing even higher firing speed.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e9:1 (DSG): Dual Sector Gear specification for incredible rapid-fire speed and crisp semi-auto shots due to short stroke.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e*The 9:1 (DSG) set has an 18:1 gear ratio, but since the sector gear performs twice the action, the effective gear ratio is 9:1.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e[Set Contents]\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Sector gear\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Counter gear (spur gear)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Bevel gear\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Pinion gear\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Hex wrench\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Hollow set screw for installation\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e[Caution]\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Replacing the pinion gear of a brushless motor requires skill and knowledge. If you are not confident or do not have the proper tools, please consult a specialized shop.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Cannot be used in conjunction with gears from other manufacturers or conventional spur gears.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・The piston-pulling teeth of the spiral helical gear set's sector gear are 16 spur teeth (8 for DSG).\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Processing or adjustment may be required for installation.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e・Apply thread locker to the hollow set screw for pinion fixing.\u003c\/span\u003e\n\n\u003c\/dd\u003e\n\n\n\u003c\/dl\u003e\n\u003cdl\u003e\u003c\/dl\u003e","brand":"HTG","offers":[{"title":"Default Title","offer_id":49513415868675,"sku":"htg-gear-sh-9","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0405\/1684\/5735\/files\/htg-gear-sh-9.jpg?v=1787626539","url":"https:\/\/rock-et.jp\/en-asia\/products\/htg-gear-sh-9","provider":"ROCK-et","version":"1.0","type":"link"}