GJAIIZA Heavy-Duty Type Spline Subdimension Series

Product Core Advantages

The GJAIIZA Heavy Duty Roll Spline Subdimension Series is specially optimized for heavy-load operating environments, standing out from regular roll spline products with multiple core strengths. Its reinforced subdimension structure effectively boosts overall rigidity and anti-deformation capability, enabling stable performance under heavy radial loads, torque loads and cantilever moment loads without compromising motion accuracy. Adopting a preloaded rolling contact design, it achieves low rotational backlash and consistent positioning precision even during long-cycle heavy-duty reciprocating movement. High-strength alloy raw materials and optimized raceway tooth profile greatly reduce rolling friction and material fatigue, extending service life under continuous heavy workloads. The compact sub-dimension layout saves valuable installation space on equipment while retaining superior load-bearing capacity, solving the common industry dilemma where heavy-duty transmission components are overly bulky. In addition, the product maintains stable running performance under variable load shocks and fluctuating working conditions, lowering equipment downtime and long-term maintenance costs for end users.

Wide Application Scenarios

Thanks to its heavy-load resistance, high rigidity and precise motion performance, the GJAIIZA Heavy Duty Roll Spline Subdimension Series serves as a core transmission part for heavy-duty automation and mechanical systems. It is widely deployed in heavy automated production lines, large material handling robots and gantry motion systems, providing stable torque and linear motion for heavy workpiece transfer. In heavy machinery and engineering automation fields, it fits precision positioning equipment for metallurgical machinery, construction auxiliary automation devices and heavy packaging machinery. The series also applies to new energy heavy processing equipment, large logistics sorting systems and heavy-duty servo motion platforms. For industrial equipment that requires both compact assembly space and sustained heavy-load transmission, this subdimension heavy-duty roll spline is a dependable motion component choice.

Professional R&D and Technical Strength

The development of the GJAIIZA Heavy Duty Roll Spline Subdimension Series relies on mature R&D accumulation in heavy-load rolling motion transmission technology. The engineering team conducts targeted simulation analysis on load distribution, structural stress and fatigue life of subdimension spline structures, iteratively optimizing tooth profile and preload parameters to adapt to heavy-duty working demands. All design indicators comply with international industrial precision standards for power transmission components. A complete set of professional testing facilities is adopted to carry out strict verification including heavy load fatigue tests, backlash detection, dimensional tolerance inspection and continuous operation stability tests for each batch of products. The technical team also accepts customized development according to customers’ unique heavy-duty working requirements, such as adjusting load ratings, modifying overall dimensions and optimizing surface treatment, to deliver tailored heavy-load spline motion solutions.

Advanced Processing Technology & Efficient Delivery

The GJAIIZA Heavy Duty Roll Spline Subdimension Series adopts advanced CNC precision cold rolling and grinding processing technology. The cold rolling process preserves and strengthens the internal metal fiber of the spline shaft, improving material density, mechanical strength and wear resistance compared with conventional cutting processing. Critical raceways and spline tooth profiles are finished by high-precision CNC grinders to guarantee high surface smoothness and precise dimensional matching with rolling elements. Modular standardized production workflows are implemented for this heavy-duty series to ensure consistent product precision in mass production. Sufficient stock of regular specifications supports fast batch shipment. For non-standard customized heavy-duty models, flexible production scheduling is arranged to shorten lead times. Every finished unit goes through full quality checks before standardized packaging and shipment, ensuring stable, high-quality and on-time product supply for global industrial buyers.

Unit: mm
Code and type	Nominal axial dia d0	External dia. D	Length of spline nut L1	Max.length of shaft L	Width of slot groove b	Depth of slot groove   t	Length of slot groove: I	Oil holed	Standard rated torque:Basic rated load
									Dynamic torsion N-m	Stationary torsion N-m	Dynamic load C KN	Static load C。KN
GJIIZA15	15	230  -0.013	500   -0.3	400	3.5H8	20 -0.3	20	2	38.9	105.9	5.5	13.3
GJIIZA20	20	300 -0.013	600 -0.3	600	4H8	2.50 +0.1	26	3	100	270.5	10.719	25.499
GJIIZA25	25	380 -0.016	700 -0.3	800	5H8	30 +0.2	36	3	152.0	345.0	13	26
GJIIZA30	30	450 -0.016	80 0 -0.3	1400	4H8	30 +0.2	26	3	192.2	425.8	16.3	33.1
GJIIZA32	32	480 -0.016	80 0 -0.3	1400	8H8	40 +0.2	40	3	288.9	613.2	19.3	36.1
GJIIZA40	40	600 -0.019	1000   -0.3	1500	10H8	50 +0.2	56	4	651.9	1390.9	34.9	65.5
GJIIZA50	50	750 -0.019	1120 -0.3	1500	14H8	5.50 +0.2	60	4	1048.0	2200.7	44.9	82.9
GJIIZA60	60	900  -0.022	127 0 0.3	1500	16H8	60 +0.2	70	4	2135.9	4172.9	76.2	131.1
GJIIZA70	70	1000  -0.022	135 0 -0.3	1700	18H8	60 +0.1	68	4	3153.4	5797.6	96.5	156.1
GJIIZA85	85	1200 -0.022	1550 -0.3	1900	20H8	70 +0.1	80	5	4437.2	8082.0	111.8	179.2
GJIIZA100	100	1400 -0.025	175 0 -0.4	1900	28H8	90 +0.1	93	5	6943.8	11737.2	148.7	221.3
GJIIZA120	120	1600 -0.025	2000 -0.4	1900	28H8	90 +0.1	123	6	10153.5	18779.5	181.3	295
GJIIZA150	150	2050 -0.029	2500 -0.4	1900	32H8	100 +0.1	157	6	19564.1	33532.7	279.4	421.5