Grinding force and surface quality in creep feed profile …
— Creep feed profile grinding of the fir-tree blade root forms of single crystal nickel-based superalloy was conducted using microcrystalline alumina abrasive wheels …
Weijie KUANG | PhD candidate | Master of Engineering
Creep feed profile grinding of the fir-tree blade root forms of single crystal nickel-based superalloy was conducted using microcrystalline alumina abrasive wheels in the present study.
Residual stresses of turbine blade root produced by creep-feed profile …
— 1. Introduction. Nickel-based superalloy turbine blades are the most essential aeroengine hot-end components, and the roots with complex shape are the critical parts of turbine blades that connect the turbine discs [1, 2]. nickel-based superalloy is a typical difficult-to-cut material, and the creep-feed profile grinding with alumina abrasive wheels …
(PDF) Creep-Feed Grinding: An Overview of Kinematics, Parameters and
— Creep feed grinding is the most common method for manufacturing of turbine blade fir-tree roots within desired tolerances. ... It is shown that profile grinding with removal rates above 50 mm3 mm ...
BLOHM | UNITED GRINDING North America
BLOHM Profile, Surface and Creep Feed Grinding Machines For more than 50 years BLOHM Maschinenbau has been building surface and profile grinding machines. Our machines are known worldwide for precision, quality and reliability. More than 15,000 delivered machines show the international appreciation of BLOHM grinding machines.
Fretting wear behaviour of machined layer of nickel-based …
— Fretting wear has an adverse impact on the fatigue life of turbine blade roots. The current work is to comparatively investigate the fretting wear behaviour of the nickel-based superalloy surfaces produced by polishing and creep-feed profile grinding, respectively, in terms of surface/subsurface fretting damage, the friction coefficient, wear …
Creep-Feed Grinding: An Overview of Kinematics, …
and deep forms [2]. Creep-feed grinding has been used as early as high-speed grinding, dating back to mid-1960s. In creep-feed grinding, low workpiece speeds and large depths of cut are used. Typical creep-feed workpiece speeds are lower than 60 mm/ min [3]. In the early 1990s, however, HEDG emerged as a process that increased the efficiency of ...
Creep Feed Grinding
Creep Feed Grinding. Creep feed grinding results in high mechanical and thermal loads on the system components, which can be mitigated by adaptive design of the control, grinding wheel, dressing process, …
Creep Feed Grinding
— Various standards define creep feed grinding as a peripheral grinding process with a relatively large depth of cut a e and accordingly low feed rate v f (ISO 3002-5 1989; VDI 3390 2014; VDI 3391 2016)monly, surface grinding is referred to as creep feed grinding when depth of cut a e ≥0.1 mm and a feed rate v f ≤3,000 mm/min are applied. …
Creep Feed Grinding White Paper
Instead of hard milling a part, deburring it, then finishing with surface grinding, creep feed grinding can accomplish the same results in one operation. In some cases, creep feed grinding is as much as 40 percent faster than alternative …
(PDF) Effect of creep feed grinding on surface integrity and …
— Sunarto, Ichida Y. Creep feed profile grinding of Ni-based superalloys with ultrafine-polycrystalline cBN abrasive grits. Precision Engineering, 2001, 2 5(4): 274-83.
Performances of Ni 3 Al-based intermetallic IC10 in creep …
— Creep-feed grinding (CFG), as an advanced processing method, exhibits a large cutting depth; it is also referred to as creep-feed deep grinding. CFG exhibits high …
Creep-Feed Grinding: Unlocking the Future of Material …
"However, creep-feed grinding can undo that sequence. The workpiece could be heat treated first, meaning the workpiece could be brought to its final hardness first, before any machining is done. Creep-feed grinding would eliminate the interruption, delay and coordination necessary to ship a partially completed part away for this off-site step.
Creep feed grinding induced gradient microstructures in …
— The creep feed profile grinding process was carried out on a computer numerical control machining center modeled PROFIMAT MT408 with a vitrified microcrystalline alumina abrasive wheel (5SG80F45A, 400 × 127 × 10 mm 3), as shown in figure 1.The abrasive wheel was profiled by a diamond roller dresser during grinding to …
Understanding Forces in Creepfeed Grinding for …
sharpness, abrasive grain density, workpiece material properties and wheel profile. It is possible to calculate the tangential forces (F t) acting on the wheel in creepfeed grinding in two ways. The first is directly ... Recent internal testing of premium ceramic grain creep feed wheels on Inconel 718 at the Norton Higgins Grinding & Technology ...
Microscopic Wear Characteristics of Ceramic Grinding Wheel in Creep
— This paper presents the grinding characteristics of a newly developed ultrafine-polycrystalline cBN abrasive grit in creep feed profile grinding of Nickel-based superalloys.
(PDF) Fretting wear behaviour of machined layer of nickel …
— The current work is to comparatively investigate the fretting wear behaviour of the nickel-based superalloy surfaces produced by polishing and creep-feed profile grinding, respectively, in terms ...
High efficiency axial deep creep-feed grinding machining …
— Axial deep creep-feed grinding machining technology is a high efficiency process method of engineering ceramics materials, which is an original method to process the cylindrical ceramics materials or hole along its axis. The analysis of axial force and edge fracture proved the cutting thickness and feed rate could be more than 5–10 mm and …
Creep Feed Profile Grinding of Ni-Based Superalloys with …
— This paper presents the grinding characteristics of a newly developed ultrafine-polycrystalline cBN abrasive grit in creep feed profile grinding of Nickel-based superalloys.
Effect of accumulated grinding depth on changes of grinding …
Creep feed profile grinding of the fir-tree blade root forms of single crystal nickel-based superalloy was conducted using microcrystalline alumina abrasive wheels in the present study.
Creep feed profile grinding of Ni-based superalloys with …
— This paper presents the experimental investigation on the wear characteristics of CBN wheels in creep feed grinding. The obtained results are as follows : (1) As the …
Profile Grinding of High-Speed Steel using Ultrafine …
— This study presents a comprehensive and comparative investigation on creep-feed grinding (CFG) of single crystal nickel-base turbine blade fir-tree roots with and without surface burn by using ...
Effect of creep feed grinding on surface integrity and …
Ni3Al-based superalloy IC10 is widely used in high ... the PcBN-U grit is suitable for applications with high dimensional accuracy in creep feed profile grinding for superalloys, because it causes ...
Tool wear behavior of vitrified microcrystalline alumina wheels in
— Grinding is a key process to achieve the high surface quality and surface accuracy of mechanical production [[1], [2], [3]]. In particular, due to the features of large grinding depth, slow workpiece speed and high material removal rate (MRR) [4], creep feed profile grinding is becoming widely applied for precision manufacturing the high-valued …
Laser-assisted Belt Grinding with Creep Feed for Enhanced …
DOI: 10.1016/j.jmapro.2024.07.129 Corpus ID: 271715961; Laser-assisted Belt Grinding with Creep Feed for Enhanced Surface Integrity and Abrasive wear Reduction @article{Ni2024LaserassistedBG, title={Laser-assisted Belt Grinding with Creep Feed for Enhanced Surface Integrity and Abrasive wear Reduction}, author={Yuanhe Ni and …
Performances of Ni 3 Al-based intermetallic IC10 in creep-feed grinding
— Zhao et al. employed a CBN wheel to perform profile grinding of directionally solidified superalloy DZ125; they reported that altering the maximum grinding thickness could reduce the specific grinding energy. Creep-feed grinding (CFG), as an advanced processing method, exhibits a large cutting depth; it is also referred to as creep-feed …
Creep feed grinding induced gradient …
— Creep feed grinding produces gradient deformation structures in the surface layer of turbine blade root of single crystal nickel-based superalloy, including nano-sized grains (48–67 nm), submicron …
Creep feed profile grinding of Ni-based superalloys with …
— The grinding characteristics of a newly developed ultrafine-polycrystalline cBN (PcBN-U) grit in creep feed profile grinding of Ni-based superalloys have been …
Creep Feed Profile Grinding of Ni-Based Superalloys with …
— This paper presents the grinding characteristics of a newly developed ultrafine-polycrystalline cBN abrasive grit in creep feed profile grinding of Nickel-based …
Effect of creep feed grinding on surface integrity and fatigue …
— In this study, the creep feed grinding properties of Ni 3 Al-based superalloy IC10 were studied experimentally. A serial of experiments were carried out to analyze …
High Performance Grinding (HPG) of Nickel-based …
• What is High Performance Grinding? • Creep-feed grinding test of nickel-based superalloys • The impact of coolant – oil vs. water soluble • Why use engineered …
What is Creep Feed & Profile Grinding and how …
What is Creep Feed Grinding. For creep feed grinding, cutting depths of up to 20mm infeed are used. The entire allowance of a workpiece can be removed with a few cuts. However, the workpiece or table speed must …
THERMAL STUDY OF THE CREEP-FEED GRINDING …
— Creep-feed grinding is an advanced machining process widely used in the manufacturing industry of complex engineering parts and components. The research and application show that the...
Performances of Ni3Al-based intermetallic IC10 in creep …
Abstract. Ni3Al-based intermetallic IC10 exhibits prominent high-temperature performance (e.g., high melting points, resistant to gas corrosion, and creep resistance); it acts as an …
Comparison on grindability and surface integrity in creep feed grinding
— In this study, the grindability of for typical nickel-based superalloys, i.e., wrought GH4169, cast K403, DS cast DZ408 and SX DD6 during the creep feed grinding process was examined comparatively and comprehensively by evaluating the grinding force, grinding ratio, wheel wear and surface integrity.
Towards the understanding of creep-feed deep grinding of …
— DD6 nickel-based single-crystal superalloy has been treated as an ideal material for the high-valued and high-performed aero-engine components; however, it was found difficult to remove material from the DD6 nickel-based single-crystal superalloy in cutting and grinding. Although creep-feed deep grinding (CFDG) has been widely …